Endophallus of Pterostichus (Koreonialoe) spp. from China, left lateral view and right lateral view 22 P. micropoides sp. nov., Paratype from Antu city, Jilin 23 P. micropoides sp. nov., Paratype from Changbaishan mt., Jilin 24 P. syleus Kirschenhofer, a male from Fengcheng city, Liaoning 25 P. syleus Kirschenhofer, a male from Shedao Island, Liaoning 26 P. quadrilobatus sp. nov., Holotype 27 P. bellatrix Tschitschérine, a male from Changbai county, Jilin. Scale bar: 1 mm.

 
 
  Part of: Yin W-Q, Shi H-L, Liang H-B (2021) Revision of the Chinese species of subgenus Koreonialoe (Coleoptera: Carabidae: Pterostichus), with descriptions of two new species. ZooKeys 1063: 1-21. https://doi.org/10.3897/zookeys.1063.69942