Key to species of Metiochodes from China

1 Legs with black spots; tegmen darkened near Sc veins................................................................................................ 2

- Legs and tegmen without markings ............................................................................................................................. 3

2 5th joint of maxillary palpi black; dorsal spurs of hind femora yellow; male genitalia with sharp apical lobes (Figs. 2–3) ..................................................................................................................................... M. acutiparamerus sp. nov.

- 5th joint of maxillary palpi yellow; dorsal spurs of hind femora blackish; male genitalia with rounded apical lobes

(Figs. 5–6) .......................................................................................................................................... M. minor sp. nov. 3 Head as wide as fore margin of pronotum; fore margin of pronotum as wide as hind margin; male genitalia as in Figs. 10–11 ..................................................................................................................................... M. tibeticus sp. nov.

- Head much wider than fore margin of pronotum; pronotum distinctly narrowing in front.......................................... 4

4 Male genitalia with hook-shaped apical lobes (Fig. 14) ................................................... M. flavescens Chopard, 1931

- Male genitalia with truncated apical lobes (Figs. 16–17) ............................................................. M. truncatus sp. nov.