Colchiobrachyiulus dioscoriadis (Lignau, 1915), gonopods of ♂ from near Lake Amtkelis, Georgia (ZMUM) A right promere, caudal view B right opisthomere, mesal view C apical part of same aspect. Scale bars: 0.2 mm (A, B), 0.1 mm (C). Abbreviations: ap anterior process, ao apical outgrowth, bpp basoposterior process, dmg distomesal groove, dmp distomesal process, f flagellum, fc flagellum channel, g (supposed) gonocoxal gland, mg median groove, mr median ridge, s solenomere, sf spiniform filaments, si anteromesal sinus.