Figure 2; Diagnostic features of Eustra shanghaiensis sp. n. A Head B Antenna C Prothorax D Foreleg E Pterothorax F Elytron. Scale bars: 0.2 mm (A, C); 0.5 mm (B, E, F); 0.4 mm (D).
Figure 3; Diagnostic features of Eustra shanghaiensis sp. n. A Aedeagus, dorsal view B Right paramere C Left paramere D Gonopod IX E Male Sternite VII. Scale bars: 0.2 mm (A–D, F); 0.1 mm (E).
Figure 6; Habitus of Shanghainese paussines. A Eustra shanghaiensis sp. n. found in rotten wood B Eustra chinensis, with a work of Ectomomyrmes javana C Itamus castaneus, walking on the ground at night D Platyrhopalus davidis, associated with Pheidole ants. Photographs by Xiao-Bin Song (A–C) and Wen-Xuan Bi (D).