male genitalia of Pterostichus (Chinapterus) singularis Tschitschérine. 7–9 Endophallus, LT: Pass Xining-Guide (IZAS) 7 right lateral view 8 left lateral view 9 ventral view, abbreviations as stated in text 10–11 median lobe of aedeagus, LT: Wushaoling (IZAS) 10 dorsal view 11 left lateral view 12–23 right paramere, inner face 12 LT: Lajishan (IZAS) 13 LT: Lajishan (IZAS) 14 LT: Pass Xining-Guide (IZAS) 15 LT: Guoshizeshan (IZAS) 16 LT: Lajishan (IZAS) 17 LT: E Qilianshan (IZAS) 18 LT: Dadongshu pass (IZAS) 19 LT: Dadongshu pass (IZAS) 20 LT: Lenglongling (IZAS) 21 LT: Wushaoling (IZAS) 22 Holotype of P. singularis (ZIN) 23 Lectotype of P. balthasari (NMPC). Scale bars: 0.5 mm.

 
 
  Part of: Dorjderem S, Shi H, Liang H (2020) The genus Pterostichus in China III: a brief review of subgenus Chinapterus Berlov (Coleoptera, Carabidae) with descriptions of two new species. ZooKeys 953: 61-83. https://doi.org/10.3897/zookeys.953.52282