Right paramere of Pterostichus namahage sp. nov. holotype male from Haraikawa (A), P. kamurosanus sp. nov. holotype male from Ariya (B), P. atsumidakensis sp. nov. holotype male from Take-no-koshi (C–E), P. asahinus male from Momoyake (F–H), P. chokaisanus male from Momoyake (I), P. chokaisanus male from Zaô-chûô-kôgen (J), P. kitakamisanus male from Ôdateminami (K, L) and P. kitakamisanus holotype male from Genbeidaira (M). Left lateral (A–C, F, I–K), right lateral (L, M), apical part in apical and basal part in ventral (D, G) and apical part in dorsal (E, H) views.

 
 
  Part of: Sasakawa K, Mitsuduka Y (2023) A morphology-based revision and phylogenetic analysis of the Pterostichus macrogenys species group (Coleoptera, Carabidae) and implications for differentiation of the species group. Deutsche Entomologische Zeitschrift 70(2): 291-310. https://doi.org/10.3897/dez.70.107322