male genitalia of Pterostichus (Chinapterus) spp. 30–33 P. przewalskyi; 30–31 median lobe of aedeagus, dorsal and left lateral view, Lectotype (ZIN) 32, 33 endophallus, right and left lateral view, LT: Jigzhi (IZAS) 34–37 P. lianhuaensis sp. nov. 34, 35 median lobe of aedeagus, dorsal and left lateral view, Holotype (IZAS) 36, 37 endophallus, right and left lateral view, Paratype, LT: Lianhuashan (IZAS) 38–41 P. liupanensis sp. nov. 38, 39 median lobe of aedeagus, dorsal and left lateral view, Holotype (IZAS) 40, 41 endophallus, right and left lateral view, Paratype, LT: Liupanshan, Xixia (IZAS). Scale bars: 0.5 mm, abbreviations as stated in text.