Vacrothele Tang & Yang, 2022

Key to the known species of the genus Vacrothele Tang & Yang, 2022 View in CoL View at ENA

1. Males ................................................................................................................................................. 2

– Females ............................................................................................................................................. 8

2. Palpal tibia with 6 dorsal spines ........................ V. pseudohunanica Tang, Wu, Zhao & Yang, 2022

– Palpal tibia more than 6 dorsal spines .............................................................................................. 3

3. Tibia II with 4 ventral spines. ........................................................................ V. fuyuanensis sp. nov.

– Tibia II more than with 4 ventral spines ........................................................................................... 4

4. Embolus longer (5.43) ................................................................................ V. jiangkouensis sp. nov.

– Embolus relatively short ................................................................................................................... 5

5. Embolus curved dorsally first, then ventrally .......................................... V. palpator (Pocock, 1901)

– Embolus curved ventrally first, then dorsally ................................................................................... 3

6. Body smaller (9.4 mm); tibia I with seven spines (four ventral, two apical, one median spine) ....... ...................................................................... V. taiwanensis ( Shimojana & Haupt, 1998) comb. nov.

– Body larger ....................................................................................................................................... 7

7. Tibia I with 9 spines (five ventral, three prolateral, one retrolateral spine) ........................................ ...................................................................................................... V. yunnanica (Zhu & Song, 2000)

– Tibia I with 5 ventral spines .............................................................................. V. baiseensis sp. nov.

8. Receptacula directed forward, turning laterally, and then inward and turning anteriorly, somewhat S-shaped ......................................................................................... V. hunanica (Zhu & Song, 2000)

– Receptacula directed anteriorly, turning laterally, then dorsally, finally medially ............................ 9

9. Receptacula G-shaped .............................................................. V. emei ( Lin & Li, 2021) comb. nov.

– Receptacula non G-shaped ............................................................................................................. 10

10. Copulatory aperture thicker but joint of the copulatory aperture and spermatheca very thin ............ ............................................................................................ V. uncata Tang, Wu, Zhao & Yang, 2022

– Receptacula short and finger-like ......................................... V. digitata ( Chen, Jiang & Yang, 2020)