Diagnostic characters of Horaeomorphus species. (A, F Horaeomorphus sp. B–E, G–K H. chinensis) A Left antenna of male, in dorsal view B Left antenna of female, in dorsal view C Aedeagus, in ventral view D Same, in lateral view E Same, in dorsal view F Spermatheca, in lateral view G Apical portion of paramere, enlarged H Endophallus, enlarged, in ventral view I Same, schematic J Left metatrochanter of male, in ventral view K Spermatheca with bursa copulatrix, in lateral view. Scale bars: 0.5 mm (A, B); 0.2 mm (C, D, E); 0.1 mm (F, H, I); 0.04 mm (G); 0.3 mm (J, K).