Stenohya, Beier, 1967

Li, Yun-Chun & Shi, Ai-Min, 2023, Two new species of the pseudoscorpion genus Stenohya (Pseudoscorpiones Neobisiidae) from Guangxi Zhuang Autonomous Region, China, Zootaxa 5278 (2), pp. 387-395 : 392-393

Key to the species of Stenohya known from China

(males only; S. bomica Zhao & Zhang, 2011 and S. huangi Hu & Zhang, 2012 not included)

1. Palpal femur with tubercle on prolateral face................................................................ 2

- Palpal femur normal, without tubercle on prolateral face...................................................... 3

2. Chelal hand with 14 tooth-shaped tubercles.............................................. S. dongtianensis sp. nov.

- Chelal hand with 42 tooth-shaped tubercles.................................................. S. jiahensis sp. nov.

3. Chelal hand with accessory structures, “spine” or “rectangular”................................................. 4

- Chelal hand normal, without accessory structures............................................................ 6

4. Chelal hand have a spine on the ventral margin.............................................................. 5

- Chelal hand projection is large and almost rectangular in shape with 2 horn-like bulges at the top.......................................................................................... S. bicornuta Guo, Zang & Zhang, 2019

5. Rallum with 7 pinnate blades............................................... S. curvata Zhao, Zhang & Jia, 2011

- Rallum with 9 pinnate blades............................................... S. meiacantha Yang & Zhang, 2013

6. Carapace anterior margin with 8 setae..................................................................... 7

- Carapace anterior margin with 6 setae..................................................................... 8

7. Rallum with 6 pinnate blades; fixed chelal finger with 70–74 teeth, movable finger with about 45–47 teeth........................................................................................... S. pengae Hu & Zhang, 2012

- Rallum with 8 pinnate blades; fixed chelal finger with 124–129 teeth, movable finger with about 115–118 teeth................................................................................ S. arcuata Guo, Zang & Zhang, 2019

8. Palpal femur straight................................................................................... 9

- Palpal femur curved.......................................................... S. setulosa Guo & Zhang, 2016

9. Fixed chelal finger at least 95 teeth...................................................................... 10

- Fixed chelal finger at most 66 teeth....................................... S. xiningensis Zhao, Zhang & Jia, 2011

10. Palpal femur 5.00–5.52× as long as broad (length 1.71–1.90 mm), chela (with pedicel) 4.23–4.60× longer than broad.............................................................................. S. hainanensis Guo & Zhang, 2016

- Palpal femur 4.14–4.43× as long as broad (length 1.45–1.55 mm), chela 3.06–3.29× longer than deep...................................................................................... S. tengchongensis Yang & Zhang, 2013