Hesperia irma Plötz, 1882. a–c. Pseudotype of Hesperia irma, specimen number 5234 in MfN, which is Mnaseas sirene: a. Dorsal view; b. Ventral view; c. Labels; d. A syntype of Pamphila gagatina Mabille, 1891, currently a junior subjective synonym of Mnaseas derasa derasa, venter, Brazil: Rio de Janeiro [MfN]; e. Godman’s copy of the unpublished Plötz’s drawing No. 269 of Cobalus derasa; f. Allotype of Mnaseas derasa brunnea (O. Mielke, 1972), venter; g. Dorsal and h. Ventral views of Cynea irma Venezuela: Aragua, Rancho Grande, 1100 m, 12-Jun-1985, S. S. Nicolay [USNM]; i. Mnaseas mapirica, no locality label, could be from SE Brazil [BMNH]; j–l. the holotype of Pamphila irma Möschler, 1879, which is simultaneously the neotype of Hesperia irma Plötz, 1882 designated in this work: j. Dorsal view; k. Ventral view; l. Labels. All images are to scale. Photographs e. (by N.V.G.) and i. (by Bernard Hermier) are Copyright of the Trustees of the Natural History Museum London and are made available under Creative Commons License 4.0 (https://creativecommons.org/licenses/by/4.0/).