Key to species (males) of Euhybus from China

1 Foreleg entirely blackish to black........................................................................ 2

- Foreleg partly yellow to brown.......................................................................... 3

2 Mid tarsomeres 1–2 yellow................................................... E. nigritarsis Wang, Li and Yang

- Mid tarsomeres 1–2 black............................................................. E. tenuifemur sp. nov.

3 Mid tibia black....................................................................................... 4

- Mid tibia yellow to brown.............................................................................. 6

4 Hind tarsomere 2 without long av........................................................................ 5

- Hind tarsomere 2 with 1 long av............................................. E. nanlingensis Yang and Grootaert

5 Fore and mid tarsomeres 1–2 brown, hind tarsomeres 1–2 blackish brown.................... E. wuyishananus sp. nov.

- All tarsomeres 1–2 brownish yellow.................................................. E. xui Yang and Grootaert

6 Femur mostly blackish brown to black.................................................................... 7

- All femur brownish yellow................................................. E. sinensis Liu, Yang and Grootaert

7 Hind tarsomere 1 yellow to brownish yellow............................................................... 8

- Hind tarsomere 1 black....................................................... E. longiseta Wang, Li and Yang

8 Hind femur with 2–3 rows of pv spines................................................................... 9

- Hind femur only with 1 row of pv spines...................................... E. qinlingensis Liu, Wang and Yang

9 Hind tibia apically with 2–3 setae....................................................................... 10

- Hind tibia apically only with 1 hair-like seta............................................. E. yunnanensis sp. nov.

10 Mid tibia with 2 ad. ................................................................................. 11

- Mid tibia with 1 ad. ................................................................... E. furcatus sp. nov.

11 Mid tarsomere 1 with 1 long strong pv................................................... E. basiflavus sp. nov.

- Mid tarsomere 1 without pv................................................... E. taiwanensis Liu, Li and Yang