Psyllaphorura Bagnall, 1948

Yan, Haijuan, Huang, Cheng & Chen, Jian-Xiu, 2007, Psyllaphorura jiangsuensis sp. nov. from China (Collembola: Onychiuridae), Zootaxa 1510 (1), pp. 63-68 : 63-64

Key to the species of Psyllaphorura Bagnall, 1948

1. Th. II without pso ........................................................................................................................................ 2

- Th. II with 1+1 pso .............................................................................................................................. obesa

2. Head with 2+2 anterior pso.......................................................................................................................... 3

- Head with 5+5 anterior pso .......................................................................................................... bashkirica

3. Abd. IV with 1+1 pso .................................................................................................................................. 4

- Abd. IV with 2+2 pso .................................................................................................................................. 5 4. Ventral tube with 7+7 setae ......................................................................................................... martynovae

- Ventral tube with 5+5 setae.............................................................................................. jiangsuensis sp. n.

5. 2+2 cephalic anterior pso placed near to antennal bases ............................................................................. 6

- 2+2 cephalic anterior pso placed together, medially in antenno-frontal part ............................. ryozoyoshii

6. Dorsal sensory setae distinct, especially on Abd. V, PAO with more than 20 vesicles .............................. 7

- Dorsal sensory setae invisible, PAO with 15–18 vesicles ................................................................... uenoi

7. Unguiculus half as long as inner edge of unguis ............................................................................... okafujii

- Unguiculus longer than inner edge of unguis ............................................................................... sensillifera