Condylostylus Bigot from Vietnam with description of a new species and a key to Vietnamese species (Diptera: Dolichopodidae) Author Li, Xuankun Author Li, Zhu Author Yang, Ding text Zootaxa 2012 3521 59 66 journal article 10.5281/zenodo.213177 56952d83-506b-4099-81e5-0efb18cd8ed6 1175-5326 213177 Key to males of species of Condylostylus from Vietnam 1 At least mid and hind coxae brown or black ( Figs. 1-3, 5-6 ); cercus not geniculate in shape ( Figs. 13–15 , 17 )............ 2 - All coxae yellow ( Fig. 4 ); cercus geniculate in shape ( Fig. 16 )................................... C. geniculatus Yang 2 Fore coxa yellow ( Figs. 2, 6 )............................................................................ 3 - Fore coxa black ( Figs. 1, 3, 5 )........................................................................... 4 3 Wing dark brown with distinct white opaque window ( Fig. 8 ); fore coxa with numerous short setae on inner surface; cercus much elongated (7–8 times as long as epandrium), and without setose ventral process ( Fig. 14 )............................................................................................... C. damingshanus Wang, Zhu et Yang - Wing brown to dark brown but without distinct white window ( Fig. 12 ); fore coxa without such setae on inner surface; cercus rather short (little longer than epandrium), with short ventral process bearing long setae ( Fig. 18 )... C. vietnamensis sp. nov. 4 Cercus wide band-like or nearly finger-like ( Figs. 13, 15 ); fore tarsomere 1 not flattened basally; all femora entirely black ( Fig. 3 ), or at most with extreme tips of femora brownish yellow or brown ( Fig. 1 )...................................... 5 - Cercus expanded and hatchet-shaped ( Fig. 17 ); fore tarsomere 1 basally flattened; all femora black with yellow apices ( Fig. 5 )..................................................................................... C. latipennis Parent 5 Cercus wide band-like, slightly shorter than epandrium, not extending much beyond apex of surstylus, without setose ventral mound ( Fig. 13 )...................................................................... C. conspectus Becker - Cercus thin finger-like, slightly longer than epandrium, much extending beyond apex of surstylus, with distinctive setose ventral mound ( Fig. 15 )................................................................... C. fenestratus (Wulp)