Metiochodes

Li, Kai, He, Zhuqing & Liu, Xianwei, 2010, A taxonomic study of the genus Metiochodes Chopard from China (Orthoptera, Gryllidae, Trigonidiinae), Zootaxa 2506, pp. 43-50 : 43-44

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.

Figures

FIGURES 1 – 3. Metiochodes acutiparamerus sp. nov. 1. tegmen of male; 2. genitalia of male, dorsal view; 3. genitalia of male, ventral view.

FIGURES 4 – 6. Metiochodes minor sp. nov. 4. body of male; dorsal view; 5. genitalia of male, dorsal view; 6. genitalia of male, ventral view.

FIGURES 7 – 11. Metiochodes tibeticus sp. nov. 7. head and pronotum; dorsal view; 8. dorsal field of male tegmen; 9. dorsal field of female tegmen; 10. genitalia of male, dorsal view; 11. genitalia of male, ventral view.

FIGURES 12 – 14. Metiochodes flavescens Chopard, 1931. 12. head of female, lateral view; 13. head, pronotum and tegmen of female, dorsal view; 14. apex of male genitalia, dorsal view (from Chorpard, 1936).

FIGURES 15 – 17. Metiochodes truncates sp. nov. 15. head and pronotum; dorsal view; 16. genitalia of male, dorsal view; 17. genitalia of male, ventral view.