Gryllotalpa

Key to the known species of Gryllotalpa from China (not including two species, Gryllotalpa formosana Shi-

raki and Gryllotalpa dentista Yang, from Taiwan Island)

1. FWs greater than 10 mm, hind wings long, distinctly extending to the apex of hind femur............................ 2

- FWs less than 10 mm, hind wings vestigial, covered by FWs................................................... 3

2. Ventral margin on outside of fore femur with a deep notch in its distal part, hind tibiae with 0–2 dorsal spurs on internal side.............................................................................. Gryllotalpa unispina Saussure

- Ventral margin on outside of fore femur normally formed, hind tibiae with 3–4 dorsal spurs on internal side......................................................................................... Gryllotalpa orientalis Burmeister

3. FWs less than 6 mm................................................................................... 4

- FWs greater than 6 mm................................................................................. 5

4. Smaller (BL 21 mm), FWs normal, with c1 and c2................................. Gryllotalpa jinxiuensis You et Li

- Slightly large (BL 27 mm), FWs nearly rounded when flattened, only with c1 but c2........ Gryllotalpa cycloptera sp. nov.

5. Much smaller (BL 18 mm).................................................. Gryllotalpa breviabdominis sp. nov.

- Median size (BL more than 20 mm)....................................................................... 6

6. Cells c1 and c2 of tegmen closed........................................... Gryllotalpa wudangshanensis Li et al.

- Cells c1 and c2 of tegmen opened distally.................................................................. 7

7. Body brownish, tegmen slightly larger (FWL 8.3, FWW 2.8)........................... Gryllotalpa mabiana Ma et al.

- Body dark brownish, tegmen somewhat small (FWL 7.8, FWW 2.2)..................... Gryllotalpa henana Cai et Niu