Atractides constrictus (Sokolow, 1934), male, Tigrovaya River, Russia: A seta Dgl-1 B seta Dgl-4 C Postoc. D coxal field E genital field, excretory pore and Vgl-1 fused to Vgl-2 F gnathosoma G palp, medial view H I-L-5 and -6 I IV-L-4-6 J legs claw. Scale bars = 100 μm (D, I), 25 μm (A–C, E–H, J).