Stenus wugongshanus. 7 male sternite VIII 8 male sternite IX 9 male tergites IX, X 10, 11 aedeagus 12 apical portion of paramere 13 expulsion hooks 14 female sternite VIII 15 female tergites IX, X 16 valvifers and spermatheca 17 spermatheca. Scale bars: 12–13: 0.1 mm; 7–11, 14–17: 0.25 mm.