Amblypsilopus flaviappendiculatus

Liu, Xiaoyan, Zhu, Yajun & Yang, Ding, 2012, New species of Heteropsilopus and Amblypsilopus from China (Diptera: Dolichopodidae), Zootaxa 3198, pp. 63-67 : 66

Key to species (males) of Amblypsilopus flaviappendiculatus group from China

(modified from Yang et al. 2011)

1 Antenna mostly black, with first flagellomere yellow; fore tarsomere 1 shortened, 1.6 times longer than tarsomere 2...... 2

- Antenna entirely black; fore tarsomere 1 not shortened, at least 2 times longer than tarsomere 2........................ 3

2 Cercus short and recurved ventrally, L-shaped............................................. A. flaviappendiculatus

- Cercus long whip-like.......................................................................... A. subtilis

3 Palpus and proboscis yellow; cercus long whip-like......................................................... 4

- Palpus and proboscis black; cercus long finger-like................................................... A. setosus

4 First flagellomere nearly triangular, arista apical; cercus nearly straight at base; epandrium with obliquely incised apical margin.................................................................................. A. guangxiensis

- First flagellomere nearly semicircular, arista nearly upper apical; cercus strongly curved at base; epandrium with convex apical margin................................................................................ A. curvus sp. nov.