Podocinum

Yan, Yi, Jin, Dao-Chao, Guo, Xian-Guo & Guo, Jian-Jun, 2011, A new species of Podocinum Berlese (Acari: Podocinidae) and a key to species of the genus from China, Zootaxa 3001, pp. 49-56 : 55

Key to species of Podocinum from China based on female

1. Subterminal setae on tarsus I very long, extending much beyond the distal end of tarsus I............................. 2

- Subterminal setae on tarsus I not extending far beyond the distal end of tarsus I....................................3

2. Dorsal shield with polygonal networks.......................................................... P. pintungense

- Dorsal shield without polygonal networks............................................................ P. sagax

3. Length of subterminal setae of tarsus I approximately half the distance between the setal base and the distal end of tarsus I.. 4

- Length of subterminal setae of tarsus I much less than half the distance between the setal base and the distal end of tarsus I.. 7

4. Two subterminal setae on tarsus I approximately as long as half the distance between setal base and the distal end of tarsus I....................................................................................... P. jianfenglingense

- Only one subterminal setae on tarsus I approximate as long as half the distance between setal base and the distal end of tarsus I.................................................................................................... 5

5. Hysterosoma with eight pairs of stout dorsal setae............................................................6

- Hysterosoma with seven pairs of stout dorsal setae....................................................... P. aokii

6. Polygonally lined area of dorsal shield tuberculated, fixed digit of chelicera with four teeth.............. P. changchunense

- Polygonally lined area of dorsal shield not tuberculated, fixed digit of chelicera with seven teeth.............. P. anhuense

7. Dorsal shield with polygonal network in central area only.............................................. P. stellatum

- Dorsal shield with polygonal networks over whole surface..................................................... 8

8. Dorsal shield with 16 pairs of setae............................................................. P. pacificum

- Dorsal shield with more than 16 pairs of setae............................................................... 9

9. Dorsal shield with 17 pairs of setae....................................................... P. guizhouense n. sp.

- Dorsal shield with 18 pairs of setae...................................................................... 10

10. Hysterosoma with six pairs of stout dorsal setae, distance between setae j1 shorter than length of j1, ventrianal shield more or less rectangular with rounded corners............................................................ P. hainanense

- Hysterosoma with five pairs of stout dorsal setae, distance between setae j1 longer than length of j1, ventrianal shield triangu- lar with rounded corners....................................................................... P. tianmuense