Male genitalia of Pterostichus (Koreonialoe) spp. from China, dorsal view of median lobe of aedeagus 13 P. micropoides sp. nov., Holotype 14 P. micropoides sp. nov. Paratype from Changbai county 15 P. syleus Kirschenhofer, a male from Fengcheng city, Liaoning 16 P. syleus Kirschenhofer, a male from Shedao Island, Liaoning 17 P. quadrilobatus sp. nov., Paratype from Laopingding, Liaoning 18 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