Figures 22-30 from: Pan Y, Tang L, Li L (2012) Notes on the Stenus cirrus group, with description of two new species from China (Coleoptera, Staphylinidae). ZooKeys 169: 61-77. https://doi.org/10.3897/zookeys.169.2647

Figures 22-30 - Stenus huanghaoi 22 male sternite IX 23 male tergite IX, X 24 aedeagus in ventral view 25 apex of aedeagus 26 expulsion hooks 27 female sternite VIII 28 female tergite IX, X 29 valvifers and spermatheca 30 spermatheca. Scales = 0.1 mm (25–26, 30), scales = 0.25 mm (22–24, 27–29).