Disella Newkirk & Keifer 1975

Key to the species in the genus Disella in China

1 Coxal area with granules or short lines........................................................................................................ 2

- Coxal area smooth ....................................................................................................................................... 6

2 Prodorsal shield design with lateral network sides.............................................. Disella baisensis sp. nov.

- Prodorsal shield with lateral sides variable.................................................................................................. 3

3 Prodorsal shield with two anterior transverse lines, posteo-lateral sides of shield with short lines, female genital coverflap smooth ............................................................................... Disella meliifoliae LI & WEI

- Prodorsal shield and sides not as above, female genital coverflap with longitudinal ridges....................... 4

4 Female genital coverflap with distal 30-32 longitudinal ridges and basal granules...................................... Disella laurifolius LI & WEI

- Female genital coverflap not as above........................................................................................................ 5

5 Prodorsal shield median line absent, admedian lines form anterior rhombus, median ellipse and rear anchor-like form ........................................................................................ Disella litchi KUANG & FENG

- Prodorsal shield median line complete, admedian lines connected to median lines by three transverse lines, forming 6 cells............................................................ Disella cylindrokeluphae WEI, XIE & CHEN

6 Empodium 4-rayed ..................................................................................................................................... 7

- Empodium 3-rayed ......................................................................................... Disella biaristatume sp. nov.

7 Prodorsal shield with a lobe at each lateral margins............................................. Disella octcella HUANG

- Prodorsal shield lateral margins without lobe.............................................................................................. 8

8 Submedian lines present .............................................................................................................................. 9

- Submedian line absent; median, admedian and tranverse lines forming 6 cells............................................ .................................................................................................................... Disella umbelliferae HUANG

9 Accessory setae (h1) present ................................................................................. Disella aceriae HUANG

- Accessory setae (h1) absent............................................................................ Disella hainanensis HUANG