Key to the genus Abdosetae

1. Male................................................................................................ 2

- Female.............................................................................................. 6

2. RTA without branch on the inner side...................................................................... 3

- RTA with one branch on the inner side..................................................................... 4

3. TA inconspicuous, hump-shaped.................................................................. A. hainan

- TA conspicuous, spine-shaped.................................................................... A. ornata

4. RTA basally and apically each with one large hump on the inner side; RTA branch hook-shaped......... A. hamata sp. nov.

- RTA without hump on the inner side; RTA branch not hook-shaped.............................................. 5

5. RTA branch thumb-shaped; TA spine-shaped, bent to the retrolateral side.......................... A. digitata sp. nov.

- RTA branch sickle-shaped; TA knife-shaped, vertical........................................... A. falcata sp. nov.

6. Epigyne without concavities; COs visible.................................................................. 7

- Epigyne with pair of concavities; COs concealed in the anterior margins of concavities.............................. 8

7. Spermathecae kidney-shaped and close together...................................................... A. hainan

- Spermathecae spherical and separated by almost one spermatheca’s diameter............................... A. ornata

8. Posterior margins of concavities conspicuously sclerotized; spermathecae separated from each other..... A. digitata sp. nov.

- Posterior margins of concavities unsclerotized; spermathecae close together....................................... 9

9. COs trumpet-shaped and large............................................................. A. falcata sp. nov.

- COs not trumpet-shaped and smaller........................................................ A. hamata sp. nov.