Research Article |
Corresponding author: Borislav Guéorguiev ( gueorguiev@nmnhs.com ) Academic editor: James Liebherr
© 2022 Borislav Guéorguiev, David W. Wrase, Thorsten Assmann, Jan Muilwijk, Patrice Machard.
This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Citation:
Guéorguiev B, Wrase DW, Assmann T, Muilwijk J, Machard P (2022) Taxonomic revision of the African and Southwest Asian species of Platyderus Stephens, subg. Eremoderus Jeanne (Coleoptera, Carabidae, Sphodrini). Deutsche Entomologische Zeitschrift 69(1): 71-122. https://doi.org/10.3897/dez.69.83840
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Species of the subgenus Eremoderus Jeanne, 1996, genus Platyderus Stephens, 1827, occurring in continental Africa (excluding Macaronesia) and southwest Asia, are taxonomically revised. The following new species groups and species are defined and described, “weiratheri” group: Platyderus (Eremoderus) chatzakiae, sp. nov. (type locality: Greece, Kalymnos Island, near Stimenia Village); “iranicus-vanensis” group: Platyderus (Eremoderus) felixi, sp. nov. (type locality: Iran, Chahar Mahal va Bakhtiari Province, 10 km west of Naghan Town); Platyderus (Eremoderus) iranicus, sp. nov. (type locality: Iran, Chahar Mahal va Bakhtiari Province, 7 km NE Naghan Town); Platyderus (Eremoderus) vanensis, sp. nov. (type locality: Turkey, Van Province, Gevaş Town); Platyderus (Eremoderus) vrabeci, sp. nov. (type locality: Turkey, Nemrut Daği); “lassallei” group: Platyderus (Eremoderus) lassallei, sp. nov. (type locality: Iran, Mazandaran Province, between Nur City and Lavij Village); “davatchii” group: Platyderus (Eremoderus) klapperichi, sp. nov. (type locality: Iran, Mazandaran Province, Damavand, 2000 m); “afghanistanicus” group: Platyderus (Eremoderus) afghanistanicus, sp. nov. (type locality: Afghanistan, “Habatah”); “languidus” group: Platyderus (Eremoderus) arabicus, sp. nov. (type locality: Saudi Arabia, “Hedjaz”); Platyderus (Eremoderus) brunki, sp. nov. (type locality: Republic of Yemen, Thula District, between Kaukaban and Shibam); Platyderus (Eremoderus) irakensis, sp. nov. (type locality: Iraq, Ar Rutba District, 115 km E Ar-Rutbah Town); Platyderus (Eremoderus) jordanensis, sp. nov. (type locality: Jordan, Al-Betrā’ District, Little Petra). Six previously described species — P. brunneus Karsch, P. insignitus Bedel, P. languidus Reiche & Saulcy, P. ledouxi Morvan, P. taghizadehi Morvan, and P. weiratheri Mařan — are redescribed based on type and/or non-type material. P. davatchii Morvan placed as a member of the subgenus was not treated due to the lack of material available for study. The following new nomenclature acts are proposed: Platyderus brunneus Karsch, 1881, stat. rev., is removed from synonymy with Feronia languida Reiche & Saulcy, 1855; Platyderus elegans Bedel, 1900, syn. nov., is proposed as junior synonym of Platyderus brunneus Karsch, 1881; Platyderus ferrantei Reitter, 1909 is proposed as subspecies Platyderus brunneus ferrantei Reitter, 1909, stat. nov. In order to preserve the stability of nomenclature, lectotypes are designated for: Feronia languida Reiche & Saulcy, Platyderus brunneus Karsch, and Platyderus weiratheri Mařan. Keys to identification of the male and female specimens of the species from the regions studied are provided.
Afghanistan, Egypt, Greece (Dodecanese), Iran, Iraq, Israel, Jordan, Libya, Morocco, Platyderus, Saudi Arabia, taxonomy, Tunisia, Turkey, Yemen
The Palaearctic genus Platyderus Stephens, 1827 belongs to the subtribe Atranopsina Baehr, 1982, of tribe Sphodrini Laporte, 1834, and includes 111 species that are arranged in two subgenera (
Platyderus-species possess a median protrusion of the anterior margin of the pronotum provided with a vertex underneath covered with a microsculpture of transverse granulae. This peculiar, diagnostic structure representing a stridulatory organ was first described by
Because external morphology of the closely related species is rather uniform (especially in Platyderus s. str.), and many species exhibit infraspecific variation, in many instances no stable characters exist to provide reliable identification. For example, the shape of the pronotum, extent of punctation (if present) on the pronotal base, and position and number of the elytral discal pores often vary among individuals of a given species (
The subgenus Eremoderus Jeanne, 1996 was proposed by
The aim of the present study is to revise the known taxa of Eremoderus from Africa (excluding Macaronesia) and Southwestern Asia, to classify a set of recently collected specimens morphologically close to P. insignitus and P. languidus, and, as a consequence of these tasks to estimate if the rank of the subgenus given by
We have examined 195 individuals representing 18 species and one undefined form, with 141 of them measured to obtain data for sizes and ratios. Even though no specimens of P. davatchii were available to us this taxon is referred to Eremoderus on account of its habitus and general morphology (see
Dissections and preparations of male genitalia were performed following
We recorded data for variation in two measurements and eight ratios to obtain body proportions on the dorsal surface of specimens (Tables
The maps were generated through the online tool SimpleMappr (
BL body length from the apex of the longer mandible to the apex of the longer elytron;
EL length of elytra (measured along the length of stria 1 from the basal margin to the apex of the left elytron);
EW maximum width of elytra (= BW: body width) measured as maximum distance across elytra;
HW maximum linear distance across the head including eyes;
MA length of anterior margin of metepisternum.
MI length of interior margin of metepisternum (excl. metepimeron);
PA width of pronotal apex between the tips of the anterior angles;
PB width of pronotal base between the tips of the posterior angles;
PL length of pronotum along median line.
PW maximum width of pronotum.
The length of the median lobe of aedeagus was measured between base and apex when the lobe is in ventral position.
HMIM Hayk Mirzayans Insect Museum, Tehran, Iran (Sayeh Serri);
MFNB Museum für Naturkunde Berlin, Germany (Johannes Frisch, Bernd Jaeger);
MIZ Museum and Institute of Zoology, Warszawa, Poland (Tomas Huflejt);
SMNH-TAU Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel (Laibale Friedman);
cASL working collection of Thorsten Assmann, Lüneburg, Germany (part of Zoologische Staatssammlung, München);
cBRU collection of Ingo Brunk, Dresden, Germany;
cDOS collection of Alexander Dostal, Vienna, Austria;
cFEL collection of Ron Felix, Berkel Enschot, The Netherlands;
cHAJ collection of Evžen and Patrik Hajdaj, Ježov, Czech Republic;
cKME collection of Rudolf Kmeco, Litovel, Czech Republic;
cLAS collection of Bernard Lassalle, Boissy-les-Perche, France;
cMAC collection of Patrice Machard, Molineuf, France;
cMUI collection of Jan Muilwijk, Bilthoven, The Netherlands;
cPTZ collection of Andreas Pütz, Eisenhüttenstadt, Germany;
cREU collection of Christoph Reuter, Hamburg, Germany;
cWEI collection of Patrick Weill, Pau, France;
cWR working collection David W. Wrase, Gusow-Platkow, Germany (part of Zoologische Staatssammlung, München);
cZIEG collection of Wolfgang Ziegler, Rondeshagen, Germany.
The total number of specimens examined, counted for each species, is represented by the abbreviation TME. The total number of specimens with genitalia examined, counted for each species, is indicated by the abridgment TGE.
Exact label data are cited for all material. Labels of type specimens were cited as originally given, with the author’s remarks and comments enclosed in square brackets. Specimens of the newly described species are provided with one red printed label “HOLOTYPE, or PARATYPE / name of taxon sp. nov. / Guéorguiev, Wrase, Assmann, Muilwijk, Machard year”. Specimens for lectotype designation are provided with one red printed label “LECTOTYPE or PARALECTOTYPE / name of taxon, author(s) name(s) year / des. Guéorguiev, Wrase, Assmann, Muilwijk, Machard year”.
Separate label lines are indicated by a slash (/), and separate labels are noted by a double slash (//). Abbreviation ʻhʼ stands for handwritten, ‘h&p’ for mixed handwritten and printed, ‘o’ for orange, ʻpʼ for printed, ‘pn’ for pink, ‘r’ for red, ‘tl’ for teal (medium blue-green), ‘tq’ for turquoise (light blue-green), ‘w’ for white, and ‘y’ for yellow.
Harpalus depressus Audinet-Serville, 1821
Feronia languida Reiche & Saulcy, 1855
Within Platyderus, the members of Eremoderus are separated by the following set of distinctive characters: ventral sclerite of median lobe of aedeagus narrow and long (best seen at ventral view, Figs
Microsculpture and micropunctation. Dorsal surface of head with regular isodiametric to slightly transverse sculpticells that are more or less reduced on posterior half of clypeus and disc (most species) or with complete microreticulation of isodiametric sculpticells (taxa of “languidus” group), labrum with coarser such sculpticells than remainder of head. Elytral microreticulation distinct, usually more engraved and larger than on head and pronotum, represented by regular isodiametric sculpticells (some specimens of P. vanensis sp. nov. without micropunctation on elytral intervals 1–5). Dorsal surface of head and pronotum with scattered micropunctation hardly visible below magnification 90×, elytra with coarser, more distinct micropunctation, visible at magnification below 90× (micropunctation absent on dorsal surface of head and elytra in most taxa of “languidus” group, except for head of P. languidus). Punctation. Basal foveae of pronotum and adjacent lateral areas moderately punctate, punctures at sides usually not reaching anterior half (P. weiratheri, taxa of “lassallei” and “davatchii” groups), coarsely and densely punctate as punctures at sides usually reaching anterior half (P. chatzakiae n.sp., taxa of “iranicus-vanensis” group), or scarcely punctate to impunctate (P. afghanistanicus sp. nov., taxa of “languidus” group). Prosternum laterally and proepisternum moderately (most species) to coarsely, densely and deeply punctate (taxa of “iranicus-vanensis” group) or finely, sparsely and shallowly punctate to impunctate (taxa of “languidus” group). Prosternum medially and metasternum medially smooth. Mesepisternum, metasternum laterally and metepisternum indistinctly (P. afghanistanicus, taxa of “languidus” groups) or clearly punctate (taxa of resting species groups, as in P. vanensis sp. nov. more coarsely than in other species). Abdominal ventrite 1 punctate and/or wrinkled, sometimes impunctate, ventrites 2–3 wrinkled, punctate or impunctate at sides, smooth medially, ventrites 4–5 mostly impunctate and smooth, but sometimes finely wrinkled at sides, 6 usually impunctate and smooth in whole (ventrites 1–4 coarsely punctate at sides in eastern populations of P. vanensis sp. nov.). Chaetotaxy. Labrum with six equidistant setae, lateral two longer than medial four. Clypeus with two long anterolateral setae. Two supraorbital setae each side. Stipes with anterior and posterior setae, former about half the length of latter. Pair of long setae on apical margin of ligula. Penultimate labial palpomere with two long setae on internal margin and 2–4 rather short apical setae; terminal labial palpomere with some scattered, very short and fine hairs. Mentum with two short and fine paramedial setae (sometimes broken off). Submentum with two long medial setae and two very short and fine lateral setae (occurring in most species but often broken off) or without lateral setae (P. klapperichi sp. nov.). Pronotum with one lateral seta at second quarter and one basal seta near posterior angles. Elytron with parascutellar seta at junction of angular base of stria 1, puncture small; interval 3 with three (rarely two) discal setiferous punctures (in P. vanensis sp. nov., punctures hardly discernible because of coarse and deep macropunctation of interval), first one adjoining stria 3 (rarely in midst of interval 3 – P. chatzakiae sp. nov., adjoining stria 2 – P. irakensis sp. nov. or absent – in most specimens of “iranicus-vanensis” group), second and third punctures adjoining stria 2, first puncture situated in anterior third, second puncture in medial third or third quarter, and third puncture (lacking in P. chatzakiae sp. nov.) in posterior third to fifth; apical portion of stria 7 with two setiferous punctures, as posterior one situated closer to lateral gutter than to suture; umbilicate series consists of 16–17 (rarely 15 or 18 on one elytron) uniform punctures, not forming compact groups, anterior three punctures on lateral gutter, remaining ones on stria 8. Posterior side of profemur with three (most species) or more (P. brunneus, P. irakensis, P. jordanensis, P. languidus) long setae, one to two in basal third, one to two in medial third (near ventral edge), and one in proximal fifth (near knee). Anterior side of mesofemur ventrally usually with four or more setae, rarely with three setae; mesocoxa surface vaguely (most species) or densely pubescent (taxa of “languidus” group), with one posteromedial seta and one (most species) or one to four lateral setae (taxa of “weiratheri” and “languidus” groups); mesotrochanter with seta. Anterior side of metafemur ventrally mostly with one seta in basal third and one in medial third (additional setae existing in specimens of taxa from “languidus” group). Abdominal ventrites 3–5 with ambulatory setae; last ventrite with two setae in male and female. Head. Eyes subconvex, long, each with length little exceeding length of scapus; tempora oblique, straight or convexly converging to neck. Labrum as long as or slightly shorter than clypeus. Clypeus slightly concave in front, rarely straight (P. afghanistanicus sp. nov.). Mentum and submentum separate by distinct labial suture; mentum wide, short, deeply emarginate, without paramedial pits, median tooth, prominent, rounded anteriorly and bordered at base, epilobes well-exceeding median tooth in front, with posterior border medially concave. Thorax. Disc of pronotum barely to moderately convex; median line well-impressed, long but not reaching anterior and posterior margin; base with one sublinear fovea each side, impressed on basal third, foveae well-impressed (most species) or shallowly impressed (taxa of “languidus” group); anterior margin narrower than posterior margin, slightly concave each side, median projection covering pars stridens (stridulatory organs); anterior bead narrow, present laterally, impressed, present, lacking or indistinctly impressed in medial eighth to tenth; anterior angles well-projecting, rounded at tip; sides convex, straight or concave to base, lateral beads fine, complete to posterior angles; posterior margin concave in middle, slightly convex near angles; basal bead present laterally, present or reduced medially; posterior angles obtuse, projecting or not projecting laterally, rounded at tip. Prosternal process bordered, subovate, rounded at apex. Metepisternum narrowed behind, its internal margin as long as, or longer than, anterior margin. Elytra. Elytra coalesced along suture, widest at middle third or third quarter. Disc convex; humeri widely rounded. Basal bead arcuate medially, reaching or almost reaching scutellum, laterally forming obtuse angle with lateral margin and no denticle at humerus. Sides from basal margin towards middle third smoothly widened, from there to apex roundly narrowed. Parascutellar striole, if present, short, joining (rarely) or not joining (mostly) with stria 1; striae 1–6 usually reaching or almost reaching basal bead, 7 reaching or not reaching to it; base of stria 8 ending at third umbilicate puncture; striae 1, 7 and 8 apically separately joining lateral gutter; striae 1 and 2 mostly fused shortly before apex and reaching lateral gutter (if stria 2 not joining stria 1, it ends before lateral gutter); pairs of striae 3–4 and 5–6 fused before apex but neither joined stria reach lateral gutter (joined stria of pair 3–4 ending more apically than that of pair 5–6; in two specimens of P. felixi sp. nov., following aberration exists: striae 3 and 4 posteriorly, each of them fusing separately with stria 2 and joined stria reaching lateral gutter); parascutellar striola and striae 1–8 impunctate or finely punctate, shallow (taxa of “languidus” group), finely to moderately punctate and impressed (most species), or coarsely punctate and impressed (P. vanesis sp. nov.). Intervals subconvex (most species) to nearly flat (taxa of “languidus” group). Metathoracic wings reduced, scales-like, or absent. Abdomen. Ventrites 2 and 3 coalesced, suture between them mostly present, rarely lacking. Legs. Moderately to considerably long and slender. Tarsomeres 1–5 convex and smooth (most species; Fig.
Dorsal habitus. A. Platyderus (Eremoderus) chatzakiae, sp. nov., holotype; B. P. (E.) weiratheri Mařan, 1940, lectotype and its labels; C. P. (E.) felixi, sp. nov., holotype; D. P. (E.) iranicus, sp. nov., male paratype, Cheri pass 20 km W Samsami, Chahar Mahal va Bakhtiari Province, Iran; E. P. (E.) vanensis, sp. nov., holotype; F. P. (E.) vrabeci, sp. nov., holotype. Scale bars: 1 mm.
“weiratheri ” species group
Diagnosis. Representatives of this group share one trait, the ventral sclerite of internal sac obliquely situated with respect to the main axis of the median lobe in the ventral view and distinctly bent in middle in lateral view (Fig.
Notes. The group includes P. weiratheri from Southwest Turkey and P. chatzakiae sp. nov. from Kalymnos Island (Greece, Dodecanese; see Fig.
Greece, Kalymnos Island, Stimenia Cave.
The Stimenia Cave is situated in the northeastern part of the Vathi Valley, in an area called St. Nikolas, on the Kalymnos Island, belonging to the Dodecanese.
Holotype
♂, ʻ8422, KALYMNOS Stimenia, end / road st18 9/6/2005, Lg Chatzaki’ (
TME: 1 specimen. TGE: 1♂.
Latinized eponym based on the surname of Maria Chatzaki (Democritus University of Thrace, Komotini, Greece), a Greek arachnologist, who collected the holotype.
P. chatzakiae sp. nov. differs from P. weiratheri in wider body (BW: 2.85 mm, vs. 2.35–2.60 mm), more coarsely punctate disc of head (vs. finely punctate or nearly smooth disc of head), anterior elytral discal puncture situated in midst of interval 3 (vs. anterior discal puncture adjoining stria 3), and elytra both in relation to elytra width narrower (EL/EW= 1.60, vs. 1.63–1.71) and in relation to pronotum length shorter (EL/PL= 2.49, vs. 2.55–2.83).
Habitus. Large size for Platyderus species (BL: 8.05 mm; BW: 2.85 mm), with elongate, moderately convex body (Fig.
The holotype was collected in a pitfall trap that was set (3 May–9 June 2005) at the end of a street leading to Stimenia Cave, west of Vathys Village (Maria Chatzaki pers. comm.). The habitat where the specimen was found consists of a homogenous degraded phrygana (Mediterranean open scrubland and grass community at low altitude). Approximate GPS coordinates of the location are: 36.9975 26.9607.
Kalymnos Island (Greece, Dodecanese; Fig.
Platyderus weiratheri Mařan, 1940: 25 (type locality: “Lydien in montibus Tmolos” [= Bozdağlar], Turkey).
The mount Bozdağlar (Ancient Greek name: Tmōlos), with maximal elevation 2159 m a.s.l., is situated in the southwestern part of the Anatolian Peninsula.
Platyderus weiratheri:
Should consist of two male and three female specimens (Mařan ibid.) all of them syntypes according to Art. 73.2.1. (ICZN 1999). From these specimens, we found only one male syntype with extracted genitalia, here designated as lectotype. This specimen and its genitalia (with missing urite) are glued on two separate white cards on the same pin. The specimen designated herewith as lectotype is labelled as follows: ‘♂ [w, p] // Tmolos-Gbg., Lydien, / West-Klainasien. / Weirather, Innsbruck [w, p] // TYPUS [r, p] // Mus. Nat. Pragae / Inv. 927 [o, h/p] // Platyderus weiratheri m. Dr. Mařan det. [w, h&p] // lectotype label’ [
Turkey: Bozdağlar (= Mount Tmolus) situated on territories of districts of İzmir, Manisa and Aydin: 1♂, ‘Tmolos-Gbg., Lydien, / West-Kleinasien. / Weirather, Innsbruck // Platyderus spec. ? det. J. Müller (vergl. mit cyprius !) // Coll. Mus. / Vindob.’ (
TME: 11 specimens. TGE: 2♂♂, 1♀.
See “Diagnosis” of P. chatzakiae sp. nov.
Habitus. Specimens of large size for Platyderus species (BL: 7.00–8.10 mm; BW: 2.35–2.60 mm), with rather elongate, moderately convex body (Fig.
Dorsal habitus. A. Platyderus (Eremoderus) sp., female specimen, Karabet Pass, Turkey; B. P. (E.) lassallei, sp. nov., female paratype, E Qolqol, Mazandaran Province, Iran; C. P. (E.) klapperichi, sp. nov., holotype; D. P. (E.) ledouxi Morvan, 1974, male specimen, 10 km S Hasan Keif, Mazandaran Province, Iran; E. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran. Scale bars: 1 mm.
Nothing is known about bionomics of this species.
Apparently endemic to the mountains of the Bozdağlar Mountain, in Southwest Turkey (Fig.
“iranicus-vanensis ” group
Diagnosis. Includes species with basal foveae of pronotum and adjacent lateral areas coarsely and densely punctate with punctures at sides usually reaching anterior half. The prosternum laterally and proepisternum also coarsely and densely punctate. The ventral sclerite of internal sac of median lobe in ventral view is elongate, relatively wide, with straight distal end; the same in lateral view is significantly widened anteriorly having maximum width at the distal third about three or more times larger than width at the proximal third (Figs
In addition, the Iranian congeners of the “iranicus-vanensis” group differ from those of the “davatchii” group in: (1) sides of pronotum nearly straight to the posterior angles (vs. sides of pronotum concave to the posterior angles) and (2) pronotum appreciably wider than long (PW/PL >1.20, vs. PW/PL <1.20). For further differences between taxa of the group dealt with here and P. lassallei see “Diagnosis” under the “lassallei” species group.
Habitat. The habitats of the Eremoderus-species in the Zagros (Iran) consist mostly of subalpine slopes, partly near snowfields, and seldom of cultivated grasslands and small orchards. Outside the cultivated grasslands along the rivers and streams the vegetation is xerophilic. The altitude of the area where P. felixi sp. nov. was collected is appreciably lower than that of the localities of P. iranicus sp. nov.
“iranicus ” subgroup
Notes. This complex includes two allopatric, high altitudinal species, P. felixi and P. iranicus with parascutellar striole, striae 1–8 scarcely punctate and moderately impressed and quite short and crooked right parameres (Fig.
Iran, Chahar Mahal va Bakhtiari Province, 10 km W Naghan Town, 31.9410, 50.6014, 1492–1505 m.
The distance from Naghan Town to the type locality is about 10 km in straight line and the direction is to the west of the town. The GPS coordinates and height indicated are more or less correct as they well correspond to the river that flows towards the village of Do Polan. In fact, the type locality is closer to the last village than to Naghan Town.
Holotype ♂, ‘IRAN, / Chahār Mahāll vā Bachtīārī / 10km W Naghan Town / 31°56'27"N, 050°36'05.5"E / 1492–1505m, 02.04.2007 / leg. Jan Muilwijk’ (HMIM). Paratypes: 4♀♀, labeled as holotype (cMUI); 1♂, ‘IRAN, / Chahār Mahāll vā Bachtīārī / 10km W Naghan Town / 31°56'27"N, 050°36'05.5"E / 1492–1505m, 02.04.2007 / leg. R.F.F.L. Felix’ (cFEL).
TME: 6 specimens. TGE: 2♂♂, 1♀.
Latinized patronym name after Ron Felix (Berkel-Enschot, Netherlands), an enthusiastic coleopterologist working on the taxonomy of carabid beetles, with great collecting skills, who collected part of the type series of the new species.
It is distinct from P. iranicus sp. nov. in the pronotum significantly wider than head (PW/HW ≥1.45, vs. PW/HW ≤1.45) and elytra noticeably less wide in relation to length (EL/EW ≤1.55, vs. EL/EW ≥1.55). In addition, median lobe of aedeagus (lateral view) of the new species is larger, with shaft broader and apex barely bent up (P. iranicus has significantly narrower shaft and apex more distinctly bent up; Fig.
Habitus. Specimens of moderate size for Platyderus species (BL: 6.00–7.00 mm; BW: 2.20–2.50 mm), with relatively short, moderately convex body (Fig.
Dorsal habitus. A. Platyderus (Eremoderus) afghanistanicus, sp. nov., holotype; B. P. (E.) arabicus, sp. nov., holotype; C. P. (E.) brunki, sp. nov., holotype; D. P. (E.) brunneus brunneus Karsch, 1881, lectotype and its labels; E. P. (E.) brunneus brunneus Karsch, 1881, male specimen, 50 km W of Ben Gardane, Medenine Governorate, Tunisia; F. P. (E.) brunneus ferrantei Reitter, 1909, lectotype and its labels. Scale bars: 1 mm.
The new species lives in sympatry with Platyderus (s. str.) umbratus (Ménétriés, 1832). However, P. felixi has pronotum more coarsely punctate in basolateral parts with punctures almost reaching the lateral margin, mesotibia with four setiferous punctures on its anterior side ventrally, and short urite with apex more symmetrical (Fig.
Morphometric data for species of the ‘weiratheri’ and ‘iranicus-vanensis’ groups of Platyderus.
Species (number of samples) | BL/mm | BW/mm | PW/HW | PW/PL | PW/PА | PW/PB | PA/PB | EL/EW | EW/PW | EL/PL |
---|---|---|---|---|---|---|---|---|---|---|
P. weiratheri Mařan (6♂♂, 5♀♀) | 7.00–8.10 | 2.35–2.60 | 1.32–1.44 | 1.13–1.27 | 1.32–1.41 | 1.09–1.19 | 0.81–0.89 | 1.63–1.71 | 1.29–1.40 | 2.55–2.83 |
P. weiratheri Mařan (mean) | 7.52 | 2.50 | 1.38 | 1.20 | 1.37 | 1.15 | 0.84 | 1.67 | 1.32 | 2.64 |
P. chatzakii (1♂) | 8.05 | 2.85 | 1.34 | 1.19 | 1.36 | 1.19 | 0.88 | 1.60 | 1.31 | 2.49 |
P. felixi sp. nov. (2♂♂, 4♀♀) | 6.00–7.00 | 2.20–2.50 | 1.45–1.52 | 1.25–1.34 | 1.33–1.43 | 1.10–1.13 | 0.79–0.83 | 1.48–1.55 | 1.29–1.35 | 2.60–2.66 |
P. felixi sp. nov. (mean) | 6.58 | 2.40 | 1.49 | 1.31 | 1.39 | 1.11 | 0.80 | 1.52 | 1.31 | 2.62 |
P. iranicus sp. nov. (19♂♂, 16♀♀) | 4.30–6.65 | 1.50–2.30 | 1.32–1.45 | 1.21–1.31 | 1.30–1.42 | 1.10–1.24 | 0.82–0.93 | 1.55–1.69 | 1.24–1.34 | 2.50–2.77 |
P. iranicus sp. nov. (mean) | 5.67 | 1.95 | 1.40 | 1.26 | 1.36 | 1.18 | 0.87 | 1.60 | 1.29 | 2.59 |
P. vanensis sp. nov. (11♂♂, 11♀♀) | 6.85–8.40 | 2.25–2.70 | 1.30–1.43 | 1.13–1.24 | 1.32–1.41 | 1.14–1.29 | 0.82–0.95 | 1.61–1.73 | 1.22–1.36 | 2.52–2.74 |
P. vanensis sp. nov. (mean) | 7.53 | 2.45 | 1.36 | 1.19 | 1.36 | 1.20 | 0.88 | 1.68 | 1.30 | 2.60 |
P. sp. (1♀, Karabet Pass) | 7.05 | 2.25 | 1.34 | 1.12 | 1.34 | 1.18 | 0.88 | 1.76 | 1.36 | 2.67 |
P. vrabeci sp. nov. (1♂, 1♀) | 7.30–7.45 | 2.40–2.50 | 1.38–1.42 | 1.21–1.25 | 1.41–1.42 | 1.17–1.21 | 0.83–0.85 | 1.63–1.66 | 1.32 | 2.63–2.71 |
P. vrabeci sp. nov. (mean) | 7.38 | 2.45 | 1.40 | 1.23 | 1.42 | 1.19 | 0.84 | 1.65 | 1.32 | 2.67 |
The specimens were hand collected by R. Felix and J. Muilwijk close to the village Do Polan along the river course. The vegetation there consisted of (over)-grazed grassland, fields and small orchards; characteristic of a cultivated landscape.
Southwest Iran: Central Zagros Mountain Chains (Chahar Mahal va Bakhtiari Province, Kiar County; Fig.
Iran, Chahar Mahal va Bakhtiari Province, 7 km NE Naghan Town, 31.97472, 50.77694, 2400 m.
Holotype
1♂, ‘IRAN, / Chahār Mahāll vā Bachtīārī / 7km NE Naghan Town / 31°58'29"N, 050°46'37"E 2400m / 03.04.2007, leg. Jan Muilwijk’ (HMIM). Paratypes: 1♀, labelled as holotype (cMUI); 1♀, ‘IRAN (Chahār Mahāll vā Bachtīārī) / Zagros Mts. / Boldaghi vill. (nr Choghaklor lake) / 3 km S Sibak, 2600–2700 m / 31°51'47"N, 50°55'24” E / (subalpine slopes with snowfields / under stones) / 20.IV.2018 Wrase & Laser [07]’ (cWR); 1♂, ‘IRAN (Chahār Mahāll vā Bachtīārī) / Zagros Mts., Zard Koh Mt. / Cheri pass 20 km W Samsami / 2775 m, 32°09'55"N/ 50°10'37"E / (subalpine slopes/under stones) / 21.IV.2018 Wrase & Laser [08]’ (cWR); 5♂♂, 1♀, ‘IRAN, Zagros Mts., P: / Chahar Mahal va / Bachtiari, Zard Koh Mt. / pass, subalpine slope // 2770m, 21.IV.2018 / 32°09'55"N/ 50°10'37"E / leg. M. Hartmann’ (c
Dorsal habitus. A. Platyderus (Eremoderus) insignitus insignitus Bedel, 1902, male specimen, SW Tiznit, Sous-Massa Region, Morocco; B. P. (E.) irakensis, sp. nov., holotype; C. P. (E.) jordanensis, sp. nov., holotype; D. P. (E.) languidus (Reiche & Saulcy, 1855), lectotype and its labels; E. P. (E.) languidus (Reiche & Saulcy, 1855), male specimen, “Jerusalem Syria”, Jerusalem District, Israel. Scale bars: 1 mm.
TME: 72 specimens. TGE: 16♂♂, 3♀♀.
Adjective, derived from the name of the country where the species was collected.
See “Diagnosis” under P. felixi sp. nov.
Habitus. Specimens of small size for Platyderus species (BL: 4.30–6.65 mm; BW: 1.50–2.30 mm), with relatively short, moderately convex body (Fig.
The holotype and one female paratype were collected along an artificial lake situated in a valley northwest of village Aliabad. They were caught at grassland with lots of stones situated along this lake. The vegetation there consisted of grassland, fields and small orchards – as a whole a cultivated landscape. Other ground beetles collected at this place, together with the new species, were Carabus maurus osculatii Villa, 1844, Poecilus festivus (Chaudoir, 1868) and Amblystomus niger (Heer, 1841).
Cheri Pass environments were represented by overgrazed grasslands with rocks and stones at lower altitudes and stone slopes with sparse vegetation and snow fields at higher altitudes. Similarly, Kamran Pass habitats were consisted of overgrazed grasslands at lower altitude and of stony (sub)alpine slopes with sparse vegetation and snow fields at higher altitudes.
Habitats around Asad Abad represent grasslands on subalpine slopes; specimens there were collected under stones, sometimes near edges of snowfields.
Southwest Iran: Central Zagros Mountain Chains. So far, four isolated populations are known: (1) Borujen County; (2) Kuhrang County (type locality); (3) Shahr-e Kord County (locality southwest Asad Abad); (4) Fereydunshahr County (Kamran Pass), the first three in Chahar Mahal va Bakhtiari Province, the fourth one in Isfahan Province (near border area with Chahar Mahal va Bakhtiari Province).
The two specimens collected 7 km northeast of Naghan Town represent the nearest population of P. iranicus sp. nov. to the type locality of P. felixi sp. nov., ca. 17 km in a straight line (Fig.
The distance between the population from the type locality (near Cheri Pass) and that one southwest of Asad Abad is ca. 45 km in a straight line. On the other hand, the distance between Cheri Pass and locality northeast of Naghan Town is ca. 62 km in a straight line. Respectively, the distance between the locality southwest of Asad Abad and that one northeast of Naghan Town is about 47 km in a straight line. The distance between the type locality (near Cheri Pass) and the locality of Kamran Pass is about 67 km in a straight line (the same distance is between the populations from the Kamran Pass and that of Asad Abad). The distance between the Kamran Pass (Fereydunshahr County) and the locality northeast of Naghan Town is about 112 km in a straight line.
Mesofemora, anterior side (A–D: left mesofemur, E–I: right mesofemur; white arrows and dots indicate position of setiferous punctures). A. Platyderus (Eremoderus) weiratheri Mařan, 1940, female specimen, Boz dağ köy env., Izmir District, Turkey; B. P. (E.) felixi, sp. nov., topotype female paratype; C. P. (E.) iranicus, sp. nov., topotype female paratype; D. P. (E.) lassallei, sp. nov., female paratype, Iran, Mazandaran Province, E Qolqol; E. P. (E.) klapperichi, sp. nov., holotype; F. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran; G. P. (E.) afghanistanicus, sp. nov., holotype; H. P. (E.) brunneus ferrantei Reitter, 1909, lectotype; I. P. (E.) languidus (Reiche & Saulcy, 1855), female specimen, Netanya 1.3.97, Central District, Israel. Scale bars: 0.5 mm.
“vanensis ” subgroup
Notes. By its parascutellar striole and striae 1–8 more coarsely and densely punctate and more deeply impressed, the species from Eastern Turkey differ from those of the “iranicus” subgroup.
Turkey, Van Province, Gevaş Town environs.
Gevaş Town is situated on the southern shore of Van Lake. The holotype was perhaps collected in vicinities of the town.
Holotype
: 1♂, ‘TURCIA or. Van / Gevas 29.6.1993 / lgt. J. Růžička // Platyderus / cf. / punctiger / (REICHE & SAULCY) / WRASE det. 2008’ (cWR). Paratypes: 1♀, ‘TURKEY OR. / GEVAS env., 2100–2600m / (CADIR DAGI) / 1993–06–29, Klíma lgt. // Platyderus / cf. / punctiger / (REICHE & SAULCY) / WRASE det. 2008’ (
TME: 22 specimens. TGE: 4♂♂, 2♀♀.
An adjective derived from the geographical name Van.
The new species is most closely related to P. vrabeci sp. nov., but easily differs from it by the apical lamella of the median lobe (dorsal and ventral view) that is less symmetrical and shorter (Fig.
Habitus. Specimens of middle size for Platyderus species (BL: 6.85–8.40 mm; BW: 2.25–2.70 mm), with subelongate, slender body (Fig.
Christoph Reuter (CR) and Bernard Lassalle (BL) kindly provided us with information on habitat preferences. The specimens found by CR near Yelkenli were collected in a stunted oak forest. Underground is karst rock, in the middle of the tiny valley flows a small stream that still carries water, at least in spring. The series found by CR at Buğlan Geçidi, 1640 m, was collected in a semi-open landscape with a low, sparse oak forest of rather small, thin trees, a lot of scrubland, in between meadows, at least in some places, again karst rock, weathered rocks, and a lot of foliage. BL declare that he found a female specimen at Buğlan Geçidi, 1500 m, in “oak bushes”; same stated that, in Resadiye one male and one female of the new species was collected in small oak grove in a little valley.
Metatarsus, dorsal view. A. Platyderus (Eremoderus) brunneus brunneus Karsch, 1881, left metatarsus, female specimen, Aziziyah, Jafara District, Libya; B. P. (E.) brunneus ferrantei Reitter, 1909, left metatarsus, female specimen, Holot Haluza, Southern District, Israel; C. P. (E.) irakensis, sp. nov., left metatarsus (black arrows indicate longitudinal grooves on metatarsomeres 2, 3 and 4), holotype; D. P. (E.) jordanensis, sp. nov., right metatarsus, holotype; E. P. (E.) languidus (Reiche & Saulcy, 1855), right metatarsus, male specimen, Naẖal Prat, Judea and Samaria Area, Israel. Scale bars: 0.5 mm.
Turkey (provinces of Bingöl and Muş: Buğlan Geçidi; Bitlis Province; Van Province; Fig.
Turkey: 1♀, ‘Col. Karabet 3000m / TR. Van / 18 VII 84 Machard / Collection Machard’ (cMAC).
TME: 1 specimen. TGE: 0.
It is distinct from individuals of P. vanensis sp. nov. by flatter elytral intervals and less coarsely punctate elytral striae. Measurements and ratios shown on Table
The specimen was collected by PM just before the pass Karabet Pass (eastern slope), on the road coming from Yukari-Narlica köyü village towards the pass. There is a large cirque on the left with many snowfields and streams descending from them; it was found in gravel between the rivulets, at an altitude of about 2800 m.
Karabet Pass [= Karabet Geçidi] (Turkey, Eastern Anatolia Region, Van Province).
The single female remains unidentified due to the lack of a male specimen. In addition, the characters of the elytral intervals and striae are not sufficiently diagnostic to propose a new name for this form.
Turkey, Adıyaman Province, Nemrut Dağı, NE of Adıyaman.
The Nemrut Dağı, a mount in Southeastern Anatolia, elevated over 2150 m a.s.l., not far from the upper reaches of the Euphrates. It belongs to the Taurus Mountains and lies 86 kilometers northeast of Adıyaman in the province of the same name.
The GPS coordinates indicated on original labels are imprecise. They were taken from a map after the time of collecting (V. Vrabec, pers. comm.).
Holotype
♂, ‘S Turkey: NEMRUT DAGI / (NE from Adiyaman), UTM: DC60 / 38.00N/38.35E, 1700–1900 m / mount. pastures, stone fields / 27.–28.IV.1997, V. Vrabec lgt.’ (cWR). Paratype: 1♀, labelled as holotype (
TME: 2 specimens. TGE: 1♂, 1♀.
Patronymic, named after Vladimír Vrabec, an entomologist interested in beetles and butterflies, who collected the type series of the new species.
It differs from P. vanensis sp. nov. by the uniformly lighter coloration of the body, by the elytra and strioles much less coarsely and deeply punctate, and by slightly higher value of ratio PW/PА (1.41–1.42, vs. 1.32–1.41). The apical lamella in P. vrabeci sp. nov. is also more symmetrical and elongate (Fig.
Habitus. Specimens of relatively large size for Platyderus species (BL: 7.30–7.45 mm; BW: 2.40–2.50 mm), with elongate, moderately convex body (Fig.
Urite, ventral view. A. Platyderus (Eremoderus) chatzakiae, sp. nov., holotype; B. P. (E.) weiratheri Mařan, 1940, E: topotype male specimen; C. P. (E.) felixi, sp. nov., holotype; D. P. (E.) vrabeci, sp. nov., holotype; E. P. (E.) lassallei, sp. nov., holotype; F. P. (E.) ledouxi Morvan, 1974, male specimen, 10 km S Hasan Keif, Mazandaran Province, Iran; G. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran; H. P. (E.) afghanistanicus, sp. nov., holotype; I. P. (E.) brunneus brunneus Karsch, 1881, male specimen, 50 km W of Ben Gardane, Medenine Governorate, Tunisia; J. P. (E.) brunneus ferrantei Reitter, 1909, male specimen, Holot Haluza, Southern District, Israel; K. P. (E.) jordanensis, sp. nov., holotype; L. P. (E.) languidus (Reiche & Saulcy, 1855), lectotype; M. P. (E.) languidus (Reiche & Saulcy, 1855), male specimen, Naẖal Prat, Judea and Samaria Area, Israel; N. P. (Platyderus) sp., male specimen, Boz Dağlar Mtn., Turkey; O. P. (P.) reticulatus (Chaudoir), male specimen, Tashehzeh, Nowshahr County, Mazandaran Province, Iran. Scale bars: 0.5 mm.
Slopes with pastures and stone fields covered with snow patches at the time of collecting at an altitude of 1700–1900 m. Several trees in poor condition and a few flowering wild representatives of Hyacintus spp. were observed around the place of collecting (V. Vrabec, pers. comm.).
Nemrut Daği (Turkey, Southeastern Anatolia, Province of Adıyaman; Fig.
“lassallei” species group
Notes. The species of the “lassallei” and the “davatchii” group share a synapomorphy, the distal end of the ventral sclerite of the median lobe is curved to the left (ventral view).
Iran, Mazandaran Province, Nur County, between Nur City and Lavij Village, 500–1300 m.
Bernard Lassalle (pers. comm.) stated that the holotype was caught with soil traps in the period 8–25 June 2000. The place of the exposition of traps was: “south of Nur, on the road between Nur and Lavij, in a mixed forest, between 500–1300 m”. However, having in mind that the northern outskirts of Lavij Village are situated at about 600 m altitude, we consider that the real altitude at which the specimen was caught is between 500 and 600 meters.
Holotype
♂, ‘sud Nur 500–1300m / IR:Mazanderan 6.00 / coll. B.Lassalle’ (cLAS). Paratypes: 1♂, ‘IRAN, Prov. Mazandaran / [IR08–01] Sari County, / Mohammadabad, Elburz Mts., / N-Slope, NE Sangdeh, 1533m, / 36°04'06.6"N, 53°09'57.8"E, / Fagus forest, leaves debris, / sifted, 29.V.2008, leg. A. Pütz’ (cWR); 1♀, ‘IRAN, Prov. Mazandaran / [IR08–03A] Sari County, / Mohammadabad Elburz Mts., / N-Slope, E Qolqol, / 36°10'26.7"N, 53°16'29.2"E, / 916m, sifted, 30.V.2008, / leg. A. Pütz’ (cPTZ); 1♂, 2♀♀, ‘N.IRAN-Mazandaran prov. / Maji to Vemzela rd. 1360 m / 36°07'10.8"N, 53°11'50.9"E / 1–5.VI.2018, Václav Čutka leg.’ (
TME: 9 specimens. TGE: 5♂♂, 1 ♀.
Latinized patronym based on the surname of Bernard Lassalle (Boissy-les-Perche, France), whose assiduous efforts in the field contributed substantial numbers of Carabid beetles that are very interesting or new to science.
This species is distinct from the other species of the subgenus in the following set of characters: (1) large size of body (8.00–8.50 mm, Table
In addition to the aforementioned characters, the new species differs from species of the “davatchii” group (which together with P. lassallei are the only Eremoderus–representatives that inhabit Alborz Range) in the wider pronotum (PW/PL >1.20, vs. PW/PL < 1.19) with sides to base more convex, the less long elytra (EL/EW <1.58–1.60, vs. EL/EW > 1.60), and the larger and longer median lobe (1.4 mm long and 4.3–4.4 times longer than wide, measurements taken ventrally). The median lobes of P. ledouxi and P. taghizadehi are proportionally smaller and less long (1.1–1.3 mm long and 3.7–3.9 times longer than wide) more clearly curved basally, with apex somewhat turned up (lateral view).
Habitus. Specimens of large size for Platyderus species (BL: 8.05–8.50 mm; BW: 2.95–3.05 mm), with suboval and subconvex body (Fig.
Median lobe of aedeagus, left lateral view. A. Platyderus (Eremoderus) chatzakiae, sp. nov., holotype; B. P. (E.) weiratheri Mařan, 1940, lectotype; C. P. (E.) felixi, sp. nov., holotype; D. P. (E.) iranicus, sp. nov., holotype; E. P. (E.) vanensis, sp. nov., holotype; F. P. (E.) vrabeci, sp. nov., holotype; G. P. (E.) lassallei, sp. nov., holotype; H. P. (E.) ledouxi Morvan, 1974, male specimen, 10 km S Hasan Keif, Mazandaran Province, Iran; I. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran; J. P. (Platyderus) sp., male specimen, vicinity of Izmir City, Turkey. Scale bars: 0.2 mm.
By dorsal coloration, form of pronotum and elytra, the new species is similar to P. reticulatus (Chaudoir, 1842), the only member of the nominotypical subgenus that lives in sympatry with P. lassallei on north slopes of the Alborz Range. However, the latter has the anterior side of mesofemur ventrally mostly with three-four setae (vs. two such setae in P. reticulatus) as well as completely different shapes of the urite and median lobe of aedeagus.
According to the label data, the species occurs on northern slopes in Fagus orientalis or mixed forests in altitudes of about 500–1600 m a.s.l. Specimens were collected by sifting leaves debris or with pitfall traps.
North Iran: Central Alborz Range (Fig.
“davatchii ” species group
Diagnosis. This group includes P. davatchii, P. ledouxi, P. taghizadehi and P. klapperichi sp. nov., which are adapted to inhabit higher altitudes and open habitats in the Alborz Range (Fig.
The species from the “davatchii” group differs from those of the “iranicus” subgroup, in: (1) the sides of pronotum are clearly concave toward the posterior angles (vs. sides of pronotum hardly concave or straight toward the posterior angles), (2) PW/PL < 1.20 (vs. PW/PL > 1.22), and (3) EL/EW ≥ 1.63 (vs. EL/EW ≤ 1.63).
Habitat. The habitat of the species of the “davatchii” group is similar to that of the two Iranian species from the Zagros Mountains (see “Habitat” under “iranicus-vanensis” species group). In the high mountain zone of Elburz the Eremoderus-species were collected in natural mountain pastures, covered with snow in winter.
Notes. Having not been able to examine the type material of Pierre Morvan, we treated P. davatchii Morvan, 1970, P. taghizadehi Morvan, 1974 and P. ledouxi Morvan, 1974 as valid species. Based on original descriptions and new material at hand, we were able to ascertain the identity of the last two species. Without available material for study, the identity of P. davatchii remains unknown for the time being.
Platyderus davatchii Morvan, 1970: 194 (type locality: “l’Elburz, environs d’Alamut ; alt. 2 700 m...près d’un torrent, versan nord”).
The type locality in the Iranian province of Qazvin, in Qazvin County, in the vicinities of Alamut Castle, 2700 m, may conditionally confine to the high area of the Central Alborz Range situated northward of the upper current of Shāh Rūd River, eastward of the Ovan Lake and westward of the upper currents of Seh Hazar River. It may concern the area situated north-northeast of ruins of the Alamut Castle.
Median lobe of aedeagus, left lateral view (black arrows on D, F–H indicate convexity of ventral margin of apex of median lobe). A. Platyderus (Platyderus) sp., male specimen, Boz Dağlar Mtn., Turkey; B. P. (Eremoderus) afghanistanicus, sp. nov., holotype; C. P. (E.) brunneus brunneus Karsch, 1881, male specimen, 50 km W of Ben Gardane, Medenine Governorate, Tunisia; D. P. (E.) brunneus ferrantei Reitter, 1909, male specimen, Holot Haluza, Southern District, Israel; E. P. (E.) insignitus insignitus Bedel, 1902, male specimen, SW Tiznit, Sous-Massa Region, Morocco; F. P. (E.) jordanensis, sp. nov., holotype; G. P. (E.) languidus (Reiche & Saulcy, 1855), lectotype; H. P. (E.) languidus (Reiche & Saulcy, 1855), male specimen, Naẖal Prat, Judea and Samaria Area, Israel. Scale bars: 0.2 mm.
Platyderus davatchii:
Holotype ♀ preserved in private collection Pierre Morvan (Carentoir, France). Not examined.
None.
The holotype was collected under a large stone near a stream, on a north slope at ca. 2700 m altitude.
Only known from type location in North Iran: Central Alborz Range (Fig.
Based on the habitus drawing and features noted in the original description (
The record about P. davatchii from “10 km S Hasan Keif” (
Iran, Alborz Mountains, Damavand, 2000 m.
The locality is situated in the Province of Tehran, in the Damavand County (Central Alborz Range). Data on the label are insufficient to locate whether the holotype has been collected in the surrounding area of the Damavand City or in foothills of the Mount Damavand.
Median lobe of aedeagus, ventral view. A. Platyderus (Eremoderus) chatzakiae, sp. nov., holotype; B. P. (E.) weiratheri Mařan, 1940, lectotype; C. P. (E.) felixi, sp. nov., holotype; D. P. (E.) iranicus, sp. nov., holotype; E. P. (E.) vanensis, sp. nov., holotype; F. P. (E.) vrabeci, sp. nov., holotype; G. P. (E.) lassallei, sp. nov., holotype; H. P. (E.) ledouxi Morvan, 1974, male specimen, 10 km S Hasan Keif, Mazandaran Province, Iran; I. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran; J. P. (Platyderus) sp., male specimen, vicinity of Izmir City, Turkey; K. P. (P.) sp., male specimen, Boz Dağlar Mtn., Turkey. Scale bars: 0.2 mm.
Holotype
♂, ‘IRAN, Demavand / 2000 m, Elbursgeb. / 2.VI.1960 / leg. J. Klapperich’ (
TME: 1 specimen. TGE: 0.
The species is named in honor of the German entomologist and collector of insects Johann Friedrich Klapperich (1913–1987), famous by its very successful expeditions to Southern China, the near and Middle East, and who collected the holotype of this new species.
Morphometric data for species of the ‘lassallei’, ‘davatchii’ and ‘afghanistanicus’ groups of Platyderus.
Species (number of samples) | BL/mm | BW/mm | PW/HW | PW/PL | PW/PА | PW/PB | PA/PB | EL/EW | EW/PW | EL/PL |
---|---|---|---|---|---|---|---|---|---|---|
P. lassallei sp. nov. (2♂♂, 1♀) | 8.05–8.50 | 2.95–3.05 | 1.37–1.41 | 1.23–1.24 | 1.39–1.40 | 1.16–1.18 | 0.83–0.84 | 1.49–1.55 | 1.36–1.41 | 2.51–2.62 |
P. lassallei sp. nov. (mean) | 8.27 | 3.00 | 1.39 | 1.23 | 1.40 | 1.17 | 0.84 | 1.51 | 1.38 | 2.58 |
P. ledouxi Morvan (2♂♂, 1♀) | 7.35–7.90 | 2.45–2.55 | 1.43–1.51 | 1.13–1.16 | 1.43–1.49 | 1.23–1.28 | 0.84–0.88 | 1.63–1.69 | 1.32–1.34 | 2.50–2.59 |
P. ledouxi Morvan (mean) | 7.53 | 2.52 | 1.48 | 1.15 | 1.46 | 1.25 | 0.86 | 1.67 | 1.33 | 2.55 |
P. taghizadehi Morvan (1♂, 1♀) | 7.10–7.20 | 2.40 | 1.31–1.33 | 1.06–1.12 | 1.34–1.36 | 1.13–1.22 | 0.83–0.91 | 1.65–1.68 | 1.41–1.42 | 2.47–2.67 |
P. taghizadehi Morvan (mean) | 7.15 | 2.40 | 1.32 | 1.09 | 1.35 | 1.18 | 0.87 | 1.67 | 1.42 | 2.57 |
P. klapperichii sp. nov. (1♂) | 6.60 | 2.20 | 1.27 | 1.09 | 1.38 | 1.15 | 0.83 | 1.70 | 1.40 | 2.60 |
P. afghanistanicus sp. nov. (1♂) | 6.80 | 2.25 | 1.40 | 1.24 | 1.49 | 1.24 | 0.83 | 1.63 | 1.37 | 2.78 |
It differs from other representatives of the “davatchii” group by very small size of body (BL <7 mm) and pronotum less wide in relation to head (PW/HW= 1.27). In addition, it differs from P. taghizadehi by anterior side of mesofemur ventrally with four setiferous punctures (vs. three setiferous punctures in P. taghizadehi).
Habitus. Specimen of small size for Platyderus species, with elongate and convex body (Fig.
The species can be easily distinguished from P. lassallei by characters noted in section “Diagnosis” (under P. lassallei).
Like other representatives of the “davatchii” group, P. klapperichi inhabits high-mountain meadows around and above 2000 m a.s.l.
North Iran, Central Alborz Range, most likely in vicinities of Damavand City (Fig.
The aedeagus with attached parameres and urite IX were lost after the extraction.
Platyderus ledouxi Morvan, 1974: 149 (type locality: “l’Elburz, province du Mazandaran, massif du Soleyman, Roudbarak, alt: 1800 m, en forêt de Fagus”).
The Takht-e Soleyman Massif, a subrange of the Central Alborz Range, is located in the Province of Mazandaran (Chalus County, Keraldasht District). For the type locality Morvan indicated as biotope a beech forest in the vicinity of Rudbarak village, situated at ca. 1800 m altitude. This site lies in the upper valley of the Sardabrud River, northeast of the Takht-e Suleyman Massif.
Platyderus davatchii:
Holotype
♂ in
Iran: Mazandaran Province: 1♂, ‘N Iran p. Mazandarán / 10 km S Hasan Keif / 2300m 3625N 5102E [36°25'N, 51°02'E] / 17.VI.2000 lgt. Hajdaj E.P. // Collectio / Hajdaj // Platyderus / cf. / davatchii Morv. / D.W. Wrase det. 01’ (cHAJ); 1♂, 1♀, ‘IR Mazandaran 10km SW / Rudbarak 36°24'00.1"N, 51°2'07.5"E 2500m / 16.06.17 Seiedy/Muilwijk’ (cMUI).
TME: 3 specimens. TGE: 2♂♂, 1♀.
Similar to P. taghizadehi, but differs from it in pronotum much wider than head (PW/HW >1.40), with apex more constricted compared with widest point (PW/PA >1.40), elytra in relation to pronotum narrower (EW/PW <1.38), and anterior side of mesofemur ventrally with four setiferous punctures. Male specimens of P. ledouxi can be additionally distinguished from males of P. taghizadehi by median lobe at lateral view larger (1.2–1.3 mm, vs. 1.1–1.2 mm, with a longer shaft (Fig.
(based on non-type material). Habitus. Specimens of moderate size for Platyderus species (BL: 7.35–7.90 mm; BW: 2.45–2.55 mm), with elongate and subconvex body (Fig.
All specimens above examined were collected in open places at high altitudes between 2300 m and 2700 m a.s.l. The specimens collected by JM in June 2017 have been caught under stones in a high-mountain meadow covered with lots of flowers, without bushes or trees. The place was definitely not dry during the time of visiting and perhaps covered with snow a few weeks before.
The type series of P. (Eremoderus) ledouxi and P. (Platyderus) chodjaii Morvan, 1974 were collected together (cfr.
North Iran: the Central Alborz Range, in area of the upper valley of Sardabrud River, northeast of the Takht-e Suleyman Subrange (Fig.
Although not able to study the holotype, based on the original description of P. ledouxi and the illustrations of the median lobe of aedeagus and internal sac (
See also “Notes” under P. davatchii Morvan.
Platyderus taghizadehi Morvan, 1974: 147 (type locality: “l’Elburz, massif du Sutak-kuh, Dizine 3500 m”).
The Mount Sutak Kuh is situated in the province of Mazandaran (southwestern part of Nur County), and lies in the Central Alborz Range, at ca. 3500 m altitude. Its approximate GPS coordinates are 36.153, 51.456, referring to a point situated ca. 300 m higher than the height Morvan mentioned (ibid.). The type locality locates somewhere between the Sutak Kuh Peak, in the north, and the Dīzīn Ski Resort, in the south. Roughly, it may be defined as a site in the plot Kandovān Tunnel – Āzād Kuh Peak – Kholeno Lake – Dīzīn Ski Resort. Spatially, it is a point geographically situated midway between the type localities of P. ledouxi (vicinities of Rudbarak) and P. klapperichi sp. nov. (vicinities of Damavand City).
Median lobe of aedeagus, ventral view. A. Platyderus (Eremoderus) afghanistanicus, sp. nov., holotype; B. P. (E.) brunneus brunneus Karsch, 1881, male specimen, 50 km W of Ben Gardane, Medenine Governorate, Tunisia; C. P. (E.) brunneus ferrantei Reitter, 1909, male specimen, Holot Haluza, Southern District, Israel; D. P. (E.) insignitus insignitus Bedel, 1902, male specimen, SW Tiznit, Sous-Massa Region, Morocco; E. P. (E.) jordanensis, sp. nov., holotype; F. P. (E.) languidus (Reiche & Saulcy, 1855), lectotype; G. P. (E.) languidus (Reiche & Saulcy, 1855), male specimen, Naẖal Prat, Judea and Samaria Area, Israel. Scale bars: 0.2 mm.
Platyderus taghizadehi:
Holotype ♂ in private collection Pierre Morvan (Carentoir, France). Not examined.
Iran: Tehran Province: 1♀, ʻIR Alburz Dizin / 36°2'00.6"N, 51°26'00.5"E / 3300–3600m 10.06.17 / Muilwijk J // Platyderus taghizadehi / Morvan / Muilwijk 2017’ (cMUI); 1♂, ‘IR Tehran Tochal / 35°53'26.2"N, 51°24'25.1"E / 3550m 27.06.17 / Seiedy/Muilwijk // Platyderus taghizadehi / Morvan / Muilwijk 2017’ (cMUI).
TME: 2 specimens. TGE: 1♂, 1♀.
A species of medium size for Platyderus, with anterior side of mesofemur ventrally with three setiferous punctures. It is distinct from the closely related P. ledouxi by pronotum about a third wider than head (PW/HW= 1.31–1.33), with apex compared with widest point less constricted (PW/PA <1.40), and elytra in relation to pronotum significantly wider (EW/PW >1.38). See also “Diagnosis” under P. ledouxi.
(based on non-type material). Habitus. Moderately large-sized specimens for Platyderus species (BL: 7.10–7.20 mm; BW: 2.40 mm), with elongate and slender body (Fig.
All specimens hitherto known were found in open places at high altitudes between 3300 m and 3600 m. The two specimens collected by JM in June 2017 were caught from under stones in rather steep green mountain meadows (without bushes or trees). At the time of its collection the place was not dry, probably due to the thaw just a few weeks before and to some water streamed down.
North Iran, Central Alborz Range (Fig.
Three metric measurements made by
Being a male specimen, the holotype of P. taghizadehi (or topotypic males) must be studied for two reasons. Firstly, this investigation can support the current taxonomic affinity with P. ledouxi because the distance in a straight line between the population of P. ledouxi southwest of Rudarbak and the type locality of P. taghizadehi is only about 50 kilometers and it is unclear whether the Chalus River acts as a biogeographical barrier. Furthermore, it is necessary to confirm the conspecificity of the populations from Sutak Kuh Peak and Tochal Peak (here last referred to as P. taghizadehi), so that the two local forms of P. taghizadehi can be distinguished from P. klapperichi sp. nov. (from Damavand County).
“afghanistanicus ” species group
“Afghanistan, Habatah, 1.300 m”.
The precise location remains unestablished as far as several possibilities for the name “Habatah” exist: Haybatay Ghar; Haībaṯaī Ghunḏêy [= Haibatai Ghundey]; and Haybati. Given the altitude of 1300 m a.s. l. pointed on the label, a quite possible location may be the upper course of Gomal River, Afghan Province of Paktika (see Fig.
Holotype
♂, ‘Afghanistan’ [w, p] // Habatah / 1.300m 17.6.1964 / leg. Kullman [w, h] // genus / ? / det. Ing. Jedlička [w, h&p] // Collectio / Moravské museum, / Brno [w, p]’ (
TME: 1 specimen. TGE: 1♂.
This species is distinguished from all other members of the subgenus by: (1) yellow-brown color of body; (2) ventral surface largely impunctate; (3) pronotum with posterior angles not projecting laterally and basal bead complete; (4) metepisternum as long as wide; and (5) ventral sclerite of median lobe in lateral view not appreciably broadened distally (Fig.
Habitus. Specimens of small size for Platyderus (BL: 6.80 mm; BW: 2.25 mm), with oblong, moderately convex body (Fig.
Right paramere, external face. A. Platyderus (Eremoderus) chatzakiae, sp. nov., holotype; B. P. (E.) weiratheri Mařan, 1940, lectotype; C. P. (E.) felixi, sp. nov., holotype; D. P. (E.) iranicus, sp. nov., holotype; E. P. (E.) vrabeci, sp. nov., holotype; F. P. (E.) lassallei, sp. nov., holotype; G. P. (E.) ledouxi Morvan, 1974, male specimen, 10 km S Hasan Keif, Mazandaran Province, Iran; H. P. (E.) taghizadehi Morvan, 1974, male specimen, Tochal, Tehran Province, Iran; I. P. (E.) afghanistanicus, sp. nov., holotype; J. P. (E.) brunneus brunneus Karsch, 1881, male specimen, 50 km W of Ben Gardane, Medenine Governorate, Tunisia; K. P. (E.) brunneus ferrantei Reitter, 1909, male specimen, Holot Haluza, Southern District, Israel; L. P. (E.) jordanensis, sp. nov., holotype; M. P. (E.) languidus (Reiche & Saulcy, 1855), lectotype; N. P. (E.) languidus (Reiche & Saulcy, 1855), male paralectotype, “Syria”. Scale bars: 0.5 mm.
Afghanistan (? “Habatah”); Fig.
“languidus ” species group
Diagnosis. Species are distinct from those of the other Eremoderus species groups by: (1) dorsal surface of body with complete or nearly complete microreticulation of isodiametric sculpticells, with transverse sculpticells lacking or highly restricted; (2) basal foveae of pronotum shallowly impressed, foveae and adjacent lateral areas impunctate or scarcely punctate; (3) basal bead of pronotum reduced to absent in basal 1/3 to 1/2; (4) elytral striae scarcely impressed, impunctate or slightly punctate, and elytral intervals rather flat; (5) mesocoxa with two to four long lateral setae, rarely one seta (polysetose state of character shared only by taxa of “weiratheri” group).
In addition, the species have anterior side of the mesofemur ventrally with five to seven (rarely four) setiferous punctures. In addition, all taxa save P. brunki sp. nov. share apical gonocoxite with one dorsomedial ensiform seta.
Notes. This group includes seven species, P. languidus (Reiche & Saulcy, 1855), P. brunneus Karsch, 1881, P. insignitus Bedel, 1902, P. arabicus sp. nov., P. brunki sp. nov., P. irakensis sp. nov. and P. jordanensis sp. nov. (Figs
Saudi Arabia, “Hedjaz”.
Nothing is known about the exact places and circumstances of its collecting. The Hedjaz Range is a mountain range located in the Hejazi region, the western part of the country. It is very likely, as in the case of two Saudi Arabian species of Acinopus, A. brittoni Wrase & Kataev, 2016 and A. arabicus Wrase & Kataev, 2016 (
Species (number of samples) | BL/mm | BW/mm | PW/HW | PW/PL | PW/PА | PW/PB | PA/PB | EL/EW | EW/PW | EL/PL |
---|---|---|---|---|---|---|---|---|---|---|
P. arabicus sp. nov. (3♀♀) | 8.20–9.40 | 2.85–3.25 | 1.41–1.43 | 1.07–1.11 | 1.44–1.48 | 1.09–1.15 | 0.76–0.79 | 1.54–1.62 | 1.44–1.49 | 2.47–2.56 |
P. arabicus sp. nov. (mean) | 8.73 | 3.05 | 1.42 | 1.09 | 1.46 | 1.13 | 0.78 | 1.59 | 1.46 | 2.51 |
P. brunki sp. nov. (2 exx.) | – | 3.30–3.45 | – | 1.02–1.05 | 1.38–1.42 | 1.14–1.22 | 0.80–0.88 | 1.58–1.59 | 1.48 | 2.40–2.44 |
P. brunki sp. nov. (mean) | – | 3.38 | – | 1.04 | 1.40 | 1.18 | 0.84 | 1.59 | 1.48 | 2.42 |
P. brunneus brunneus Karsch (5♂♂, 4♀♀) | 7.70–9.30 | 2.70–3.40 | 1.28–1.41 | 1.10–1.20 | 1.36–1.43 | 1.21–1.28 | 0.88–0.92 | 1.53–1.72 | 1.36–1.48 | 2.53–2.72 |
P. brunneus brunneus Karsch (mean) | 8.60 | 2.99 | 1.35 | 1.16 | 1.39 | 1.25 | 0.90 | 1.61 | 1.41 | 2.63 |
P. brunneus ferrantei Reitter (1♂, 6♀♀) | 7.60–9.00 | 2.70–3.20 | 1.29–1.39 | 1.14–1.21 | 1.34–1.42 | 1.12–1.23 | 0.82–0.89 | 1.52–1.60 | 1.35–1.46 | 2.46–2.58 |
P. brunneus ferrantei Reitter (mean) | 8.53 | 3.01 | 1.32 | 1.16 | 1.38 | 1.17 | 0.85 | 1.56 | 1.41 | 2.53 |
P. insignitus insignitus Bedel (1♂, 4 ♀♀) | 6.60–8.70 | 2.20–3.00 | 1.35–1.45 | 1.06–1.17 | 1.35–1.40 | 1.12–1.17 | 0.80–0.85 | 1.57–1.65 | 1.40–1.51 | 2.41–2.61 |
P. insignitus insignitus Bedel (mean) | 7.72 | 2.67 | 1.38 | 1.10 | 1.39 | 1.15 | 0.83 | 1.61 | 1.45 | 2.55 |
P. irakensis sp. nov. (2♀♀) | 8.30–9.00 | 2.90–3.20 | 1.30–1.32 | 1.13 | 1.34–1.38 | 1.09–1.11 | 0.79–0.83 | 1.62–1.63 | 1.45–1.47 | 2.65–2.72 |
P. irakensis sp. nov. (mean) | 8.65 | 3.05 | 1.31 | 1.13 | 1.36 | 1.10 | 0.81 | 1.63 | 1.46 | 2.69 |
P. languidus (Reiche & Saulcy) (10♂♂, 10♀♀) | 6.40–9.10 | 2.20–3.15 | 1.27–1.38 | 1.11–1.22 | 1.31–1.41 | 1.10–1.20 | 0.81–0.90 | 1.52–1.62 | 1.29–1.48 | 2.42–2.60 |
P. languidus (Reiche & Saulcy) (mean) | 7.82 | 2.74 | 1.33 | 1.16 | 1.35 | 1.16 | 0.85 | 1.56 | 1.37 | 2.49 |
P. jordanensis sp. nov. (4♂♂, 1♀) | 8.70–9.90 | 3.00–3.45 | 1.35–1.42 | 1.08–1.13 | 1.39–1.52 | 1.15–1.22 | 0.78–0.87 | 1.56–1.60 | 1.39–1.46 | 2.41–2.60 |
P. jordanensis sp. nov. (mean) | 9.28 | 3.25 | 1.39 | 1.10 | 1.44 | 1.18 | 0.82 | 1.59 | 1.43 | 2.50 |
Holotype
♀, ‘Hedjaz [w, h] // Ex-Musaeo / H.W. Bates / 1892 [w, p]’ (
Imprecise locality: 1♀, ‘Bagdad [w, h] // Ex-Musaeo / H.W. Bates / 1892’ [w, p] (
TME: 3 specimens. TGE: 1♀.
The specific epithet is a Latinized adjective, based on the name of the region in which this species can be found.
Among members of “languidus” group, P. arabicus sp. nov. and P. jordanensis sp. nov. are taxa with pronotum most constricted toward apex (PW/PA: 1.44–1.48 and 1.39–1.52, respectively; Table
It is also closely related to P. brunki sp. nov. but two species differ by a set of morphometric ratios (see “Diagnosis”, under P. brunki sp. nov.).
Habitus. Specimens of large size for Platyderus species (BL: 8.20–9.40 mm; BW: 2.85–3.25 mm), with elongate, moderately to rather convex body (Fig.
From P. irakensis sp. nov., that inhabits areas northeast of the Al-Hedjaz region, P. arabicus differs in: (1) dark brown color of body (vs. orange-brown color of body); (2) head narrower, compared to pronotum (PW/HW: 1.41–1.43, vs. PW/HW: 1.30–1.32); (3) pronotum with anterior angles more pointed and sides to apex more constricted (PW/PA: 1.44–1.48), vs. pronotum with anterior angles less pointed and sides to apex less constricted (PW/PA: 1.34–1.38); (4) elytra less long, compared to pronotum (EL/PL: 2.47–2.56, vs. EL/PL: 2.65–2.72); (5) meso- and metatarsomeres dorsally neither flattened nor grooved (vs. meso- and metatarsomeres dorsally partly flattened and slightly grooved).
Like other representatives of the “languidus” group with known habitat preferences (P. languidus, P. brunneus, P. brunki sp. nov.), P. arabicus sp. nov. could inhabit the wetter parts of desert and semi-desert habitats.
The new species is known from the region of Hedjaz in Saudi Arabia, which includes the western part of the country (Fig.
The specimen from “Bagdad” differs from the two type specimens in the larger, more quadratic and slightly wider pronotum (vs. smaller and somewhat narrow pronotum) and having less prominent anterior angles (vs. somewhat more prominent anterior angles). That is why, we have some doubt if this specimen really belongs to P. arabicus.
Yemen, ‘Amran Governorate, Thula District, between Kaukaban and Shibam, approximate GPS coordinates: 15.503, 43.901.
Holotype ♀, ‘YEMEN, ~ 40 km NW Sanaa, / Kaukaban/Shibam, small waste- / waterstream, ruralic vegetation, / sand, 2700–2930 m Handaufsam. / 15°30'9.98"N, 43°54'2.66"E / 02. Dez. 2009, legit. Ingo Brunk [p, w] // Coll. / I. Brunk / Dresden/Germ [h, pn]’ (cBRU).
Remains of a specimen of uncertain sex in bad condition (only pronotum and elytra preserved), ‘UNDER A STONE // YEMEN / El Errein, nr. Haz, / about 16 miles N.W. / of San’a, ca. 9,300ft. [= 2835 m] / 3.ii.1938.// B.M. Exp. to / S.W. Arabia. / H. Scott & / E.B. Britton. / B.M. 1938–246, // Platyderus / languidus / Reiche / E.B. Britton det. / 1946’ (
TME: 2 specimens. TGE: 1♀.
Latinized patronym based on the surname of Ingo Brunk (Dresden, Germany), who collected the first well-preserved representative of the new species.
Platyderus brunki sp. nov. readily differs from all other Eremoderus-taxa in its smallest value in ratio PW/PL (Table
Habitus. Specimens of large size for Platyderus species (BL of holotype: 9.50 mm; BW: 3.30 mm), with elongate, moderately convex body (Fig.
The holotype was collected by sifting the waste-water vegetation and soil at a humid place where waste water falls down (Ingo Brunk, pers. comm.). The correct altitude of the type locality is ca. 2700 m a. s. l. The locality is situated approximately half-way on a very steep walking path starting from Kawkaban (town on the top of the Mount Kawkaban) downwards to Schibam Kawkaban (town on the bottom of the mountain). Together with the holotype, numerous specimens of Trechus (Arabotrechus) rougemontiellus Belousov, 2017 and few Bembidion spp. were collected.
Spermathecal complex and gonocoxites, ventral view. A. Platyderus (Eremoderus) weiratheri Mařan, 1940, topotype female specimen; B. P. (E.) felixi, sp. nov., topotype female paratype; C. P. (E.) iranicus, sp. nov., topotype female paratype; D. P. (E.) vanensis, sp. nov., topotype female paratype; E. P. (E.) vanensis, sp. nov., female paratype, col de Buglan 1500 m, border area of Bingöl and Muş provinces, Turkey; F. P. (E.) vrabeci, sp. nov., topotype female paratype. Scale bars: 0.5 mm. Abbreviations: ag – apical gonocoxite; at – atrium; bc – bursa copulatrix; bg – basal gonocoxite; co – common oviduct; rc – receptaculum; sg – spermathecal gland; smc – seminal canal; spc – spermathecal canal.
Yemen (Sana’a Governorate), see Fig.
A species of Platyderus (Eremoderus), with mesotarsomeres and metatarsomeres dorsally more or less flattened and grooved (Fig.
Habitus. Moderately to large-sized species (BL: 7.60–9.30 mm; BW: 2.70–3.40 mm), with elongate and moderately convex body (Fig.
Due to minor morphological differences, the populations from the lower course of Nile River and Southwest Israel are treated as a distinct subspecies of P. brunneus (see Fig.
Platyderus brunneus Karsch, 1881: 43 (type locality: “Bir Milrha”, Jabal Tarhūnah [Tarhuna plateau], Libya, based on lectotype designation), stat. rev.
= Platyderus elegans Bedel, 1900: 170 (type locality: “Sud de la Tunisie”), syn. n.
This taxon was described from “Bir Milrha” (Murqub District, Libya; locality cannot be localized) and “Uadi Mbellem” (Misrata District, Libya; locality with approximate GPS coordinates: 31.167, 15.050) both localities in the Gebèl Tarhúna Plateaux. As a result of current lectotype designation, the former place becomes the type locality of P. brunneus brunneus. Platyderus elegans was first discovered from “Sud de la Tunisie” (Bedel, 1900), and for the second time – from “Aïn Segoufta à l’O. du Dj. Bon-Hedma” (Bedel, 1902); the second location refers to present Jebel Bou-Hedma National Park, situated on Gafsa Governorate and Sidi Bouzid Governorate, Tunisia.
Spermathecal complex and gonocoxites, ventral view. A. Platyderus (Eremoderus) lassallei, sp. nov., female paratype, Iran, Mazandaran Province, E Qolqol; B. P. (E.) ledouxi Morvan, 1974, female specimen, 10 km SW Rudbarak, Mazandaran Province, Iran; C. P. (E.) taghizadehi Morvan, 1974, female specimen, Alburz Dizin, Tehran Province, Iran; D. P. (Platyderus) umbratus (Ménétriés), female specimen, Iran, Kohgiluyeh va Boyer-Ahmad Province, Sisakht; E. P. (E.) arabicus, sp. nov., holotype; F. P. (E.) brunki, sp. nov., holotype. Scale bars: 0.5 mm. For abbreviations see captions on Fig.
Platyderus elegans:
Platyderus brunneus Karsch, 1881. The original type series of Karsch consisted of six syntypes, 4♂♂, 2♀♀, all stored in MFNB. Their examination revealed the presence of two diagnosable taxa. One male and one female specimen were found to represent the subspecies ferrantei (see section “Type material” under P. brunneus ferrantei). The other four specimens belong to P. brunneus brunneus, the first of them designated lectotype and other three paralectotypes: ♂, ‘60906 [p, w] // Bir Milrha / Exp. Rohlfs. [h, tq] // Hist.-Coll. (Coleoptera) / Nr. 60906 / Platyderus brunneus Klug, / Karsch* / Bir Milrha / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r]’; ♂, ‘Uadi M’bellem / Exp. Rohlfs. [h, tq] // Hist.-Coll. (Coleoptera) / Nr. 60906 / Platyderus brunneus Klug, / Karsch* / Uadi M’bellem, Exped. / Rohlfs / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r]’; ♂, ‘gn 2469. [h, w] // Hist.-Coll. (Coleoptera) / Nr. 60906 / Platyderus brunneus Klug, / Karsch* / Bir Milrha & Uadi M’bellem, / Exped. Rohlfs / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r]’; ♀, ‘Hist.-Coll. (Coleoptera) / Nr. 60906 / Platyderus brunneus Klug, / Karsch* / Bir Milrha & Uadi M’bellem, / Exped. Rohlfs / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r]’.
The synonymy of Platyderus brunneus with P. languidus was proposed by
Tunisia: Medenine Governorate: 1♂, 1♀, ‘TUNISIA c. or. / 50 km W of Ben Gardane / 22.4.1998 / R. Borovec lgt. // Platyderus / elegans Bedel / JEANNE det. 2003 // COLL. WRASE / BERLIN’ (cWR).
Libya: Nuqat al Khams District: 1♀, ‘BUKAMASH [near Zuwarah City] / 04–II–2006 / LIBYA P.Weill’ (cWEI). Jafara District: 1♀, ‘AZIZIYAH P.Weill / 30–I–2010 LIBYE // Platyderus / languidus. R & S / Det. P. Weill 2010’ (cWEI). Tripoli District: 1♂, ‘02–III–2002 / JANZUR / LIBYA – TRIPOLITANIA // JC Ringenbach Leg. / Platyderus languidus’ (cWEI).
Three additional records from Libya that concern P. brunneus brunneus are pointed out for P. languidus in the webpage http://jcringenbach.free.fr/website/beetles/carabidae/Platyderus_languidus.htm, namely: ‘East of Tajura’, 04/01/2002, JCR Leg.’; ‘Road Yafran-Az Zintan, 25/12/2001, JCR Leg.’; ‘Sidi As Sa’ih 03/02/2006, PW Leg.’. The webpage is part of the database http://jcringenbach.free.fr/website/beetles/carabidae/carablibya.htm created by Jean-Claude Ringenbach (Pardies-Piétat, France) and Patrick Weill (Pau, France) and representing online checklist of Libyan ground-beetles.
TME: 9 specimens. TGE: 2♂♂, 1♀.
Nominotypical subspecies differs from ssp. ferrantei in parascutellar striole and elytral striae 1–7 very shallow, almost indistinct, with bases not reaching basal bead (vs. parascutellar striole and elytral striae 1–7 distinct, slightly impressed, with bases reaching basal bead). In addition, the former has the pronotal anterior margin proportionally broader, compared to the posterior margin (vs. anterior margin of pronotum proportionally narrower, compared to posterior margin, see PA/PB, Table
Two of the three Libyan specimens were collected under stones or plant debris. Bukamash and Aziziyah are two biotopes of Tripolitania located in a semi-desert zone (Jaffarah Plain), with a few sparse trees and abundant ground vegetation, mainly in early spring (Patrick Weill, pers. comm.).
Tunisia, Libya (Fig.
Platyderus ferrantei Reitter, 1909: 29 (type locality: Egypt, “Cairo”).
Nothing is known about the exact locality and circumstances of collecting. At time of collecting, the city of Cairo was entirely situated on the east bank of the Nile River. Nevertheless, it is possible for the subspecies ferrantei to occur on both sides of the Nile River, as moisture should favor the species’ occurrence and distribution in certain less human-influenced habitats.
Platyderus ferrantei:
Platyderus ferrantei Reitter, 1909. Holotype, female in
The holotype designations in many type series, stored in
Platyderus brunneus Karsch, 1881. One female specimen and one male specimen from type series of P. brunneus are conspecific with the holotype of P. ferrantei. They are labelled as follows: 1♀, ‘2469 [p, w] // Hist.-Coll. (Coleoptera) / Nr. 2469 / Sphodrus brunneus / Aegypt., Ehrenberg / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r] // brunneus / m. Karsch* / Egypt Ehrbg. [h, tl]’ (MFNB); 1♂, ‘2470 [p, w] // Syria. Ehr: / lxxiii . 196. [h, y] // Hist.-Coll. (Coleoptera) / Nr. 2470 / Sphodrus brunneus / Syria, Ehrenberg / Zool. Mus. Berlin [p, w] // SYNTYPE / Platyderus / brunneus Karsch, 1881 / labelled by MFNB 2017 [p, r]’ (MFNB). The male specimen has non-chitinised genitalia and a paler coloration (see
Spermathecal complex and gonocoxites, ventral view. A. Platyderus (Eremoderus) brunneus brunneus Karsch, 1881, female specimen, Bukamash, Nuqat al Khams District, Libya; B. P. (E.) brunneus ferrantei Reitter, 1909, female specimen, Holot Haluza, Southern District, Israel; C. P. (E.) insignitus insignitus Bedel, 1902, female specimen, Plage Aglou, Sous-Massa Region, Morocco; D. P. (E.) irakensis, sp. nov., holotype; E. P. (E.) jordanensis, sp. nov., female paratype, N Wadi Musa, Ma’an Governorate, Jordan; F. P. (E.) languidus (Reiche & Saulcy, 1855), female specimens, Israel, Netanya 22.xii.1996, Central District, Israel. Scale bars: 0.5 mm. For abbreviations see captions on Fig.
Israel: Southern District: 1♂, 1♀, ‘Israel / Holot Haluza / 1.iii.2008 / Ittai Renan’ (SMNH-TAU); 1♀, ‘Israel / Holot Haluza / 25.IV.2009 / I. Renan’ (SMNH-TAU); 2♀♀, ‘Israel / Holot Haluza / 2.iii.2010 / I. Renan’ (SMNH-TAU).
TME: 8 specimens. TGE: 1♂, 1♀.
See “Diagnosis” under the nominotypical subspecies.
The subspecies considered here differs from easterly occurring representatives of the “languidus” group, i.e. P. languidus, P. jordanensis sp. nov. and P. arabicus sp. nov., by the meso- and metatarsomeres dorsally somewhat flattened and grooved. Its median lobe of aedeagus is more arcuate ventrally and with ventral margin of apex straight (this of P. languidus is appreciably less arcuate ventrally, whereas that of P. jordanensis has ventral margin of apex convex). Other differences between P. brunneus ferrantei and P. jordanensis sp. nov. are listed in section “Comparisons” under the latter taxon.
Supplementary distinctions between P. brunneus ferrantei and P. arabicus sp. nov., are: a/ head compared to pronotum wider, PW/HW: 1.29–1.39 (vs. head narrower, PW/HW: 1.41–1.43); b/ pronotum appreciably wider than long, PW/PL: 1.14–1.21, less constricted to apex, PW/PA: 1.34–1.42, with anterior margins compared to posterior margin long, PA/PB: 0.82–0.89 (vs. pronotum less wider, PW/PL: 1.07–1.11, more constricted to apex, PW/PA: 1.44–1.48, with anterior margin compared to posterior margin much narrower, PA/PB: 0.76–0.79).
P. irakensis and P. brunneus ferrantei share meso- and metatarsomeres dorsally flattened and slightly grooved. The two taxa can be reliably diagnosed by a combination of three ratios – PW/PB, EL/EW and EL/PL (Table
The Israeli site is located in the sand dunes of Western Negev. The species lives on the shifting dunes, together with Atlantomasoreus groneri Assmann, Renan & Wrase, 2015, Discoptera arabica Fairmaire, 1896, Scarites striatulus Dejean, 1825, Thermophilum sexmaculatum (Fabricius, 1787), Graphipterus serrator (Forsskål, 1775) (or G. multiguttatus (Olivier, 1790)), and a species of the Cymindis setifeensis/suturalis group(s). For a detailed description of the habitat see those of Anthia sexmaculata, A. groneri and G. serrator in
Northeast part of Egypt (not yet found in Sinai Peninsula, but possibly occurring there), southwestern part of Israel (Southern District), see Fig.
This species differs from P. brunneus brunneus in pronotum less constricted to base (PW/PB: 1.12–1.17, vs. PW/PB: 1.21–1.28) and with apex appreciably narrower than base (PA/PB: 0.80–0.85, vs. PA/PB: 0.88–0.92). Median lobe of aedeagus somewhat longer than that in P. brunneus (s.l.), with ventral sclerite longer and not forming a distal kink (Figs
Habitus. Moderately large species (BL: 6.60–8.70 mm; BW: 2.20–3.00 mm), with elongate, narrow and moderately convex body (Fig.
Platyderus insignitus Bedel, 1902: 211 (type locality: “Mogador” [= Essaouira], Morocco).
Platyderus insignitus:
Five syntypes should be present in
Morocco: Casablanca-Settat Region: 1♀, ‘Marokko (region Doukkala-Abda) / Bir Jdid between El Jadida / and Casablanca / 4.2.2003, leg. M. Egger’ (cWR). Marrakesh-Safi Region: 1♀, ‘SW-Morocco, 31.28 N / 09.46W, DIABAT (4 km / S Essaouira), 60 m // J. Kaláb leg., 17.XI.2003 / bushes, sandy dunes, / steppe’ (cASL). Sous-Massa Region: 1♂, ‘MAROKKO, s. w. TIZNIT / umg. TIZNIT, 50 m / Strand-AGLOU / I. Puchner, 2.III.2000’ (cDOS); 1♀, ‘SW-Morocco, 29.48N/09.50W / AGLOU PLAGE, 30 m, / J. Kaláb leg., 26–28.xi.2004 / sandy/grassy places, / half-desert’ (cWR); 1♀, ‘MOROCCO, Plage Aglou / NW Tiznit / 29°45'N, 9°54'W / 6 m, 6.V.2011 / lgt. P. Kabátek’ (cWR).
TME: 5 specimens. TGE: 1♂, 1♀.
See “Diagnosis” of P. insignitus presaharensis.
Nothing is known about the bionomics of this species.
According to the available data, P. insignitus insignitus is endemic to Morocco (Fig.
Platyderus insignitus presaharensis Lagar Mascaró, 1978: 31 (type locality: “cueva [cave] Kef Aziza, Tazzouguert”, Morocco).
Platyderus insignitus presahariensis [sic]:
Holotype probably in Museu de Ciències Naturals de Barcelona. Not examined.
None.
Differs from nominotypical subspecies by pronotum sides more parallel to pronotum base and not sinuate before posterior angles, which are right and rounded, somewhat longer antennae, with antennomeres 9–11 exceeding pronotum base, and elytral striae well-impressed (
The holotype was collected in the cave Kef Aziza, a 4.5 km long cave near river Oued Guir and village of Ksar Tazougart, one of the longest caves in Morocco. It seems to be a trogloxene or subtroglophile that tends to temporarily inhabit subterranean habitats, but also strongly associated with aboveground habitats.
Errachidia Province, Drâa-Tafilalet Region, Eastern-Central Morocco (Fig.
Iraq, Al Anbar Governorate, Ar Rutba District, ca. 115 km east of Ar-Rutbah Town.
Holotype
♀, ‘IRAQ, Al-Anbar / Rutba, singled / 115 km. E of town / 8.I.1978 [w, h] // No. 350 / Topál & Zilahy [w, h]’ (
TME: 2 specimens. TGE: 1♀.
The specific epithet is a Latinized adjective, referring to the name of the country in which this new species was found.
Platyderus irakensis is distinct from all other species of “languidus” group by the orange-brown color of integument (Fig.
Habitus. Specimens of moderate size for Platyderus species (BL: 8.30–9.00 mm; BW: 2.90–3.20 mm), with elongate and fairly convex body (Fig.
In addition to characters mentioned in “Diagnosis”, the new species differs from P. jordanensis sp. nov., by: (1) head wider, compared to pronotum (PW/HW: 1.30–1.32, vs. PW/HW: 1.35–1.42); (2) pronotum with sides less constricted anteriorly and posteriorly (PW/PA: 1.34–1.38 and PW/PB: 1.09–1.11, vs. PW/PA: 1.39–1.52 and PW/PB: 1.15–1.22); (3) elytra longer compared to their width and the length of the pronotum (EL/EW: 1.62–1.63 and EL/PL: 2.65–2.72, vs. EL/EW: 1.56–1.60 and EL/PL: 2.41–2.60).
For differences between P. irakensis sp. nov. and P. arabicus sp. nov. and such between P. irakensis sp. nov. and P. languidus, see “Comparisons” under the latter species.
Nothing is known about the bionomics of this species.
It is currently known from two localities situated in the Ar Rutba District, which is the largest district of Al Anbar Governorate, Western Iraq (Fig.
Jordan, Ma’an Governorate, Al-Betrā’ District, Little Petra, archaeological area, 30.3667, 35.4333.
Holotype
♂, ‘JORDAN (Ma’an) / Little Petra, ca. 1000 m / archaeological area / 30°22'N/35°26'E / (narrow shaft beside / stony staircase) / 25.III.2016 Wrase & Laser [12B] [w, p]’ (cWR). Paratypes: 1♀, ‘Jordanien 1024 m / Prov Ma’an / W. Ziegler 9.3.2015 [w, p] // N Wadi Musa / 30°24’.15"N, 35°26’.53"E [w, p]’ (cZIEG); 1♂, ‘Jordania / Prov. Ma’an / n Wadi Musa 1023m / W.Ziegler 25.3.2016 [w, p] // Jabal al Bayda (Project / 30°24'291"N, 35°26'743"E [w, p]’ (
TME: 5 specimens. TGE: 4♂♂, 1♀.
The specific epithet is a Latinized adjective, based on the name of the country in which this species was found.
Differs from all other species of the “languidus” group by the following set of characters: (1) meso- and metatarsomeres dorsally convex and smooth (Fig.
Platyderus jordanensis sp. nov. and P. languidus share a trait that can be a mark for their close relationships, the apical gonocoxite without nematiform setae.
Habitus. Specimens of large size for Platyderus species (BL: 8.70–9.90 mm; BW: 3.00–3.45 mm), with rather elongate and moderately convex body (Fig.
In additions to characters mentioned in “Diagnosis”, P. jordanensis sp. nov. differs from geographically close P. brunneus ferranei by pronotum less wide (PW/PL: 1.08–1.13, vs. PW/PL: 1.14–1.21), with anterior margin narrower than posterior margin (PA/PB: 0.78–0.87, vs. PA/PB: 0.88–0.92).
For differences between P. jordanensis, from one side, and P. languidus, P. irakensis and P. arabicus, from other side, see sections “Comparisons” (under the first two species) and “Diagnosis” (under P. arabicus).
In Little Petra P. jordanansis sp. nov. lives in wadis that have a canyon-like profile and some Mediterranean tree species. There it lives together with Laemostenus quadricollisquadricollis L. Redtenbacher, 1843, Trechus crucifer Piochard de la Brûlerie, 1876, Calathus cinctus Motschulsky, 1850, Cymindis andreae Ménétriés, 1832, and Carabus impressus Klug, 1832. In Wadi Rum the single specimen was found in a dry wadi with Retama shrubs and single Ficus trees in the shade of the walls of the head of the canyon-like valley. It occurs together with ground beetles that are mainly typical for desert habitats (Laemostenus aegyptiacus Schatzmayr, 1936, Singilis filicornis Peyerimhoff, 1907, Cymindis hierichontica Reiche & Saulcy, 1855, Merizomena castanea Klug, 1832, and Amara maindroni Bedel, 1907). A photograph of the habitat of the latter is given by
According to the data available, the species is the representative of the group “languidus” in the southern part of Jordan, stretching from the vicinity of Little Petra to areas close to the Saudi Arabian border (Fig.
Feronia (Argutor) languida Reiche & Saulcy, 1855: 610 (type locality: “Jordanis”, based on lectotype designation).
= Sphodrus parumstriatus Fairmaire, 1872: 47 (type locality: “inconnue…probably qu’il appartient à la faune méditerranéenne”). Synonymy established by
The specimens were collected from: “Des bords du Jourdain et de la mer Morte” (
Platyderus languidus: Chaudoir 1866: 108–109;
Feronia languida Reiche & Saulcy, 1855. Consists of four syntypes, 2♂♂, 2♀♀ in
Distribution of species from subgenus Eremoderus in Iran and Afghanistan: Platyderus felixi sp. nov. (red circle), P. iranicus sp. nov. (blue circles), P. lassallei sp. nov. (yellow circles), P. davatchii (green triangle), P. ledouxi (red triangle), P. taghizadehi (blue triangle), P. klapperichi sp. nov. (black triangle), and P. afghanistanicus sp. nov. (red question mark).
We chose for lectotype designation a male specimen with the label “Jordanis” in order to retain the type locality “Jordanis” that is in accordance with the locality that was given in the description (
The four specimens are labelled, as follows: lectotype ♂, ‘Jordanis [h, y] // Coll. Reiche [p, w] // PARATYPE Feronia / languida R. & S / C. JEANNE des. 1990 [p, h, r] // Platyderus / languidus R. & S. / JEANNE det. 1990 [p, w]’; paralectotype ♂, ‘Platyderus / languidus. Reiche / Soc. Ent. 1855. 610 / Syria [h, y] // Coll. Reiche [p, w] // HOLOTYPE Feronia / languida R. & S. / C. JEANNE des. 1990 [p, h, r] // Platyderus / languidus R. & S. / JEANNE det. 1990 [p, w]’; paralectotype ♀, ‘Nazareth [h, y] // Coll. Reiche [p, w] // PARATYPE Feronia / languida R. & S / C. JEANNE des. 1990 [p, h, r] // Platyderus / languidus R. & S. JEANNE det. 1990 [p, w]’; paralectotype ♀, ‘Palæstina [h, y] // Coll. Reiche [p, w] // // PARATYPE Feronia / languida R. & S / C. JEANNE des. 1990 [p, h, r] // Platyderus / languidus R. & S. JEANNE det. 1990 [p, w]’.
Besides, all the four specimens have two supplementary labels subsequently added (Fig.
A further fifth syntype exists in
Imprecise locality: single specimen of uncertain sex, with missing left antennae, fore tarsi, middle and hind legs ‘languida Reiche [h, w] // cotype de Reiche cite par Chaudoir [h, w] // Ex Musæo Mniszech [p, w] // L. Bedel Vidit 1902. [p, w]’, (
Israel: Northern District: 1♂, ‘ISRAEL: Hammat / Gader / 8.v.1997 / V. CHIKATUNOV’ (SMNH-TAU). Central District: 1♀, ‘Beit-Berl / 13.2.68 // COLLECTED BY KUTY YEFENOF’ (SMNH-TAU); 1♀, ‘Israel Netanya / 30.11.96 / R. Hoffman’ (SMNH-TAU); 1♂, ‘Israel Netanya / 14.12.96 / R. Hoffman’ (SMNH-TAU); 1♀, ‘Israel Netanya / 21.12.96 / R. Hoffman’ (SMNH-TAU); 1♂, ‘ISRAEL: / Netanya 22.xii.1996 / V. Chikatunov’ (SMNH-TAU); 1♀, ‘Israel Netanya / 30.12.96 / R. Hoffman’ (
TME: 30 specimens. TGE: 4♂♂, 2♀♀.
A species of medium size for Platyderus (Eremoderus), with light reddish-brown integument, meso- and metatarsomeres dorsally convex and smooth (Fig.
Habitus. Specimens of moderate to large size for Platyderus species (BL: 6.40–9.10 mm; BW: 2.20–3.15 mm), with elongate and moderate convex body (Fig.
P. languidus and P. jordanenis sp. nov. differ in characters noted in “Diagnosis” under the latter species.
P. languidus distinguishes from both P. brunneus and P. irakensis sp. nov. by meso- and metatarsomeres dorsally neither flattened nor grooved (vs. meso- and metatarsomeres dorsally more or less flattened and grooved), see Fig.
The records from the Coastal Lowlands of Israel refer to dune habitats close to the shores of the Mediterranean Sea. Platyderus languidus co-occurs there together with Carabus impressus Klug, 1832, Masoreus aegyptiacus Dejean, 1828, Graphipterus sharonae Renan & Assmann, 2018, and some eurytopic ground beetle species (see habitat characterization in
Platyderus languidus was cited for Morocco, Libya, Egypt (incl. Sinai), Syria and Israel (
Distribution of species from subgenus Eremoderus in the Levant and the Arabian Peninsula: Platyderus arabicus sp. nov. (yellow question marks), P. brunki sp. nov. (blue circle), P. irakensis sp. nov. (green circles), P. jordanensis sp. nov. (brown circles), and P. languidus (red circles).
Léon Fairmaire described his Sphodrus parumstriatus without indication of an exact locality. This author mentioned only that it comes from “La localité qu’il habite est inconnue, mais il est plus que probable qu’il appartient à la faune méditerranénne”. Later on,
It is worth noting that the distance between the closest known localities of P. brunneus ferrantei and P. languidus in south Israel, respectively Holot Haluza (being the northeasternmost locality of the former species) and Ashkelon (being the southwesternmost one of the latter species), is about 65 km in a straight line. By supposition, the two species occur in different types of habitats.
(key does not include P. davatchii Morvan, for which diagnostic characters remain unstudied)
1 | Ventral sclerite of internal sac obliquely situated with respect to main axis of median lobe (ventral view) and distinctly bent in middle (lateral view) (Figs |
2 |
– | Ventral sclerite of internal sac parallel to main axis of median lobe (ventral view) and straight (lateral view) (Figs |
3 |
2 | Width of body more than 2.7 mm. Elytra length / pronotum length small (EL/PL= 2.50 or less; Table |
Platyderus (Eremoderus) chatzakiae sp. nov. |
– | Width of body less than 2.7 mm. Elytra length / pronotum length large (EL/PL= 2.55–2.83; Table |
Platyderus (Eremoderus) weiratheri Mařan, 1940 |
3 | Ventral sclerite of internal sac of median lobe (lateral view) significantly widened anteriorly, three and more times wider at distal 1/3 than at proximal 1/3 (Fig. |
4 |
– | Ventral sclerite of internal sac of median lobe (lateral view) slightly widened anteriorly, a half to two times wider at distal 1/3 than at proximal 1/3 (Figs |
7 |
4 | Size of body small (< 6.7 mm), except for P. felixi sp. nov. with EL/EW <1.6. Parascutellar striola and striae 1–8 finely punctate (Fig. |
5 |
– | Size of body large (> 6.7 mm), with EL/EW >1.6. Parascutellar striola and striae 1–8 moderately to coarsely punctate (Figs |
6 |
5 | Pronotum narrow compared to head (PW/HW ≤1.45). Elytra more considerably wider than long (EL/EW ≥1.55). Small specimens (BL= 4.30–6.65 mm) | Platyderus (Eremoderus) iranicus sp. nov. |
– | Pronotum wide compared to head (vs. PW/HW ≥ 1.45). Elytra less considerably wider than long (EL/EW ≤1.55, vs. EL/EW ≥1.55). Large specimens (BL= 6.00–7.00 mm) | Platyderus (Eremoderus) felixi sp. nov. |
6 | Color light, rusty red. Elytral striae and striola less coarsely and deeply punctate (Fig. |
Platyderus (Eremoderus) vrabeci sp. nov. |
– | Color dark reddish-brown (some specimens with elytra entirely black). Elytral striae and striola coarsely and deeply punctate (Fig. |
Platyderus (Eremoderus) vanensis sp. nov. |
7 | Basal foveae of pronotum and adjacent lateral areas as well as mesepisternum, metasternum laterally and metepisternum moderately punctate (Fig. |
8 |
– | Basal foveae of pronotum and adjacent lateral areas as well as mesepisternum, metasternum laterally and metepisternum scarcely punctate to impunctate (Figs |
11 |
8 | Body (excl. appendages) black. Pronotum sides toward base nearly straight to slightly concave. Dorsal surface of head and base of pronotum with extensive and denser punctation. Median lobe of aedeagus less than those of the species of “davatchii” species group curved ventrally, with apex not turned upward (lateral view). Length of body: 8.00–8.50 mm | Platyderus (Eremoderus) lassallei sp. nov. |
– | Body (excl. appendages) light to dark brown. Pronotum sides toward base significantly concave. Dorsal surface of head and base of pronotum with less extensive and sparser. Median lobe of aedeagus more curved ventrally, with apex somewhat turned upward (lateral view) (“davatchii” species group). Length of body less than 8.00 mm) | 9 |
9 | Pronotum in relation to head less wide (PW/HW= 1.27; Fig. |
Platyderus (Eremoderus) klapperichi sp. nov. |
– | Pronotum in relation to head wider (PW/HW >1.30; Fig. |
10 |
10 | Pronotum in relation to head wider (PW/HW >1.40), with apex compared with widest point more constricted (PW/PA >1.40). Elytra in relation to pronotum narrower (EW/PW <1.38). Anterior side of mesofemur ventrally with four setiferous punctures | Platyderus (Eremoderus) ledouxi Morvan, 1974 |
– | Pronotum in relation to head less wide (PW/HW= 1.31–1.33), with apex compared with widest point less constricted (PW/PA <1.40). Elytra in relation to pronotum wider (EW/PW >1.38). Anterior side of mesofemur ventrally with three setiferous punctures | Platyderus (Eremoderus) taghizadehi Morvan, 1974 |
11 | Disc of head and pronotum with reduced sculpticells. Pronotum wider (PW/PL >1.22, Table |
Platyderus (Eremoderus) afghanistanicus sp. nov. |
– | Disc of head and pronotum with complete microreticulation. Pronotum narrower (PW/PL ≤1.22), with basal bead reduced to absent in basal third to half. Elytra in relation to pronotum shorter (EL/PL <2.75). Specimens from other countries (“languidus” species group) | 12 |
12 | Meso- and metatarsomeres dorsally convex and smooth (Fig. |
Platyderus (Eremoderus) jordanensis sp. nov. |
– | Metatarsomeres dorsally convex or not (Fig. |
13 |
13 | Meso- and metatarsomeres dorsally somewhat flattened and slightly grooved (Fig. |
14 |
– | Meso- and metatarsomeres dorsally convex and not grooved (Fig. |
15 |
14 | Parascutellar striola and elytral striae 1–7 very shallow, nearly indistinct, with bases more or less reduced, not reaching basal bead. Width of pronotum posterior margin usually large compared to pronotum maximum width and width of anterior margin (PW/PB >1.1, PA/PB >0.88, Table |
Platyderus (Eremoderus) brunneus brunneus Karsch, 1881 |
– | Parascutellar striola and elytral striae 1–7 distinct, slightly impressed, with bases reaching basal bead. Width of pronotum posterior margin usually small compared to pronotum maximum width and width of anterior margin (PW/PB <1.23, PA/PB <0.89, Table |
Platyderus (Eremoderus) brunneus ferrantei Reitter, 1909 |
15 | Median lobe of aedeagus with basal bulb shorter and ventral sclerite of internal sac longer (Figs |
Platyderus (Eremoderus) insignitus Bedel, 1902 |
– | Median lobe of aedeagus with basal bulb longer and ventral sclerite of internal sac short (Figs |
Platyderus (Eremoderus) languidus (Reiche & Saulcy, 1855) |
(key does not include P. davatchii Morvan, for which diagnostic characters remain unstudied)
1 | Pronotal disc with coarse and dense punctuation on basis that at sides reaches anterior half (Fig. |
2 |
– | Pronotal disc with less coarse and dense punctuation on basis which usually does not reach anterior half (Fig. |
5 |
2 | Parascutellar striola and striae 1–8 less finely punctate impressed (Fig. |
3 |
– | Parascutellar striola and striae 1–8 moderately to coarsely punctate and impressed (Figs |
4 |
3 | Pronotum narrower compared to head (PW/HW ≤1.45). Elytra more considerably wider than long (EL/EW ≥1.55). Small specimens, 4.30–6.65 mm | Platyderus (Eremoderus) iranicus sp. nov. |
– | Pronotum wide compared to head (vs. PW/HW ≥ 1.45). Elytra less considerably wider than long (EL/EW ≤1.55, vs. EL/EW ≥1.55). Large specimens, 6.00–7.00 mm | Platyderus (Eremoderus) felixi sp. nov. |
4 | Elytral striae and striola less coarsely and deeply punctate (Fig. |
Platyderus (Eremoderus) vrabeci sp. nov. |
– | Elytral striae and striola coarsely and deeply punctate (Fig. |
Platyderus (Eremoderus) vanensis sp. nov. |
5 | Specimens from Western Toros Mts., Southwest Turkey | Platyderus (Eremoderus) weiratheri Mařan, 1940 |
– | Specimens from other regions and countries | 6 |
6 | Base of pronotum and adjacent lateral areas (Fig. |
7 |
– | Base of pronotum and adjacent lateral areas (Figs |
10 |
7 | Body (excl. appendages) black. Pronotum sides toward base nearly straight to slightly concave. Dorsal surface of head and base of pronotum with extensive and denser punctation. Length of body: 8.00–8.50 mm | Platyderus (Eremoderus) lassallei sp. nov. |
– | Body (excl. appendages) light to dark brown. Pronotum sides toward base significantly concave. Dorsal surface of head and base of pronotum with less extensive and sparser punctation. Length of body less than 8.00 mm | 8 |
8 | Pronotum in relation to head less wide (PW/HW= 1.27; Fig. |
Platyderus (Eremoderus) klapperichi sp. nov. |
– | Pronotum in relation to head wider (PW/HW >1.30; Fig. |
9 |
9 | Pronotum in relation to head wider (PW/HW >1.40), with apex compared with widest point more constricted (PW/PA >1.40). Anterior side of mesofemur ventrally with four setiferous punctures | Platyderus (Eremoderus) ledouxi Morvan, 1974 |
– | Pronotum in relation to head less wide (PW/HW= 1.31–1.33), with apex compared with widest point less constricted (PW/PA <1.40). Anterior side of mesofemur ventrally with three setiferous punctures | Platyderus (Eremoderus) taghizadehi Morvan, 1974 |
10 | Color reddish brown. Pronotum with sides to base straight or slightly convex; posterior angles not projecting laterally (Fig. |
11 |
– | Color orange brown. Pronotum either with sides to base slightly convex to base; posterior angles not projecting laterally (Fig. |
12 |
11 | Pronotum nearly as long as wide (PW/PL= 1.02–1.05), less constricted anteriorly (PW/PA= 1.38–1.42), PA/PB large (Table |
Platyderus (Eremoderus) brunki sp. nov. |
– | Pronotum slightly wider than long (PW/PL= 1.07–1.11), more constricted anteriorly (PW/PA= 1.44–1.48), PA/PB small (Table |
Platyderus (Eremoderus) arabicus sp. nov. |
12 | Pronotum less constricted toward base (PW/PB ≤1.11), with sides weakly convex; posterior angles rounded, laterally not prominent (Fig. |
Platyderus (Eremoderus) irakensis sp. nov. |
– | Pronotum more constricted toward base (PW/PB >1.10), with sides straight or slightly concave; posterior angles rounded, laterally prominent or not. Bursa copulatrix short, without apical enlargement (Fig. |
13 |
13 | Meso- and metatarsomeres dorsally convex and smooth (Fig. |
Platyderus (Eremoderus) jordanensis sp. nov. |
– | Metatarsomeres dorsally convex or not (Fig. |
14 |
14 | Meso- and metatarsomeres dorsally somewhat flattened and slightly grooved (Fig. |
15 |
– | Meso- and metatarsomeres dorsally convex and not grooved (Fig. |
16 |
15 | Parascutellar striola and elytral striae 1–7 very shallow, nearly indistinct, with bases more or less reduced, not reaching basal bead. Width of pronotum posterior margin usually large compared to pronotum maximum width and width of anterior margin (PW/PB >1.1, PA/PB >0.88, Table |
Platyderus (Eremoderus) brunneus brunneus Karsch, 1881 |
– | Parascutellar striola and elytral striae 1–7 distinct, slightly impressed, with bases reaching basal bead. Width of pronotum posterior margin usually small compared to pronotum maximum width and width of anterior margin (PW/PB <1,23, PA/PB <0.89, Table |
Platyderus (Eremoderus) brunneus ferrantei Reitter, 1909 |
16 | Disc of head impunctate. Specimens from Morocco | Platyderus (Eremoderus) insignitus Bedel, 1902 |
– | Disc of head mostly micropunctate. Specimens from Israel and Syria | Platyderus (Eremoderus) languidus (Reiche & Saulcy, 1855) |
While the taxonomic status of Eremoderus remained questionable, being insufficiently defined by a taxonomic point (see ‘Introduction’), new and interesting material from species supposedly belonging to it was collected and made available for study. The subsequent analysis shows that the group is considerably homogeneous and Eremoderus deserves to be treated as a separate subgenus.
At least four character states determine Eremoderus as a separate group distinct from Platyderus (s. str.): (1) ventral sclerite of median lobe of aedeagus in shape of an elongated drop at lateral view, straight, narrow and elongate at ventral view (Figs
As a rule, the species of Eremoderus share three or more setiferous punctures on the ventral margin of the mesofemur on the anterior side (cfr.
Without any comments,
1. afghanistanicus, sp. nov. Afghanistan (“Habatah”)
2.1. alticola alticola Wollaston, 1864 Canary Islands (Tenerife)
2.2. alticola descendens Bedel, 1902 Canary Islands (Gran Canaria)
2.3. alticola gomerensis Machado, 1992 Canary Islands (La Gomera)
2.4. alticola hierroensis Machado, 1992 Canary Islands (El Hiero)
3. arabicus, sp. nov. Saudi Arabia, ? Iraq
4. brunki, sp. nov. Yemen
5.1. brunneus brunneus Karsch, 1881 Tunisia, Libya
= elegans Bedel, 1900, syn. n.
5.2. brunneus ferrantei Reitter, 1909: 29, stat. n. Egypt, Israel
6. chatzakiae, sp. nov. Greece (Kalimnos)
7. davatchii Morvan, 1970 Iran
8. felixi, sp. nov. Iran
9. foveipennis Casale, 1988 (Pseudotaphoxenus) Kyrgyzstan
10. haberhaueri Heyden, 1889 Tajikistan, Uzbekistan
11.1. insignitus insignitus Bedel, 1902 Morocco
11.2. insignitus presaharensis Lagar, 1978 Morocco
12. irakensis, sp. nov. Iraq
13. iranicus, sp. nov. Iran
14. jordanensis, sp. nov. Jordan
15. klapperichi, sp. nov. Iran
16. lancerottensis Israelson, 1990 Canary Islands (Lanzarote)
17. languidus Reiche & Saulcy, 1855 (Feronia) Israel, ? Syria
= parumstriatus Fairmaire, 1872 (Sphodrus)
Note: Except for old published data indicating Syria, no present reliable record is known from this country.
18. lassallei, sp. nov. Iran
19. ledouxi Morvan, 1974 Iran
20. tadzhikistanus Kryzhanovskij, 1968 Tajikistan, ? Uzbekistan
Note:
21. taghizadehi Morvan, 1974 Iran
22. vanensis, sp. nov. Turkey
Note: A separate form southward from the populations of P. vanensis may exist in the Karabet Pass, which taxonomic status needs further study.
23. vrabeci, sp. nov. Turkey (Nemrut Daği)
24. weiratheri Mařan, 1940 Turkey
For the loan of specimens of which this study is based, we are grateful to the museum curators, collection managers and private collectors enumerated above.
Bernd Jaeger (MFNB), Boris Kataev (Zoological Institute, Russian Academy of Sciences, St. Petersburg, Russia), Jose Serrano (Universidad de Murcia, Murcia, Spain), Pier Mauro Giachino (Settore Fitosanitario Regionale, Torino, Italy), Thierry Deuve (
We extend our hearty thanks to James K. Liebherr (Cornell University, Ithaca, USA), Achille Casale (University of Sassari, Sassari, Italy), Joachim Schmidt (University of Rostock, Rostock, Germany), and Kipling W. Will (Essig Museum of Entomology, Berkeley, USA) for their very helpful comments and remarks on the penultimate draft of our work. We are grateful for their considerable efforts, which led to a substantially improved manuscript.
The European Union-funded Integrated Infrastructure Initiative “Synthesys” supported the work of BG in various EU national history institutions (applications AT-TAF–1470, DE-TAF–1568, FR-TAF–2938, GB-TAF–4263, NL-TAF–4177 and PL-TAF–4042).