Key to the species of the genus Pseudotachycines gen. nov.
1 Hind femora without spines ventrally...................................................................... 2
- Hind femora with spines ventrally........................................................................3
2 Epiphallus of male genitalia with upper apex incised........................................ P. yueyangensis sp.nov.
- Epiphallus of male genitalia with upper apex transverse......................................... P. inermis sp. nov.
3 Inner subapical spur of hind tibiae shorter than hind metatarsus.................................. P. deformis sp. nov.
- Inner subapical spur of hind tibiae longer than hind metatarsus..................................................4
4 Mid tibiae with 3 external spurs and 3 internal spurs beneath..................................... P. volutus sp. nov.
- Mid tibiae with 2 external spurs and 1–2 internal spur(s) beneath................................................ 5
5 Hind tibiae armed with 45–48 spines each side above...................... P. ovalilobatus (Gorochov, 2010) comb. nov.
- Hind tibiae armed with 64–69 spines each side above......................................... P. trapezialis sp. nov.