Abacarus Keifer

Key to the species of Abacarus Keifer from China

1 Coxal plates smooth.....................................................................................................................................2

- Coxal plates with granules or short lines ...................................................................................................13

2 Paraxial tibial seta ( l') present......................................................................................................................3

- Paraxial tibial seta ( l') absent............................................................. Abacarus emarginatus Huang, 2001c

3 Prodorsal shield ornamented........................................................................................................................4

- Prodorsal shield smooth.......................................................... Abacarus tomentosus Huang & Wang, 2004

4 Prosternal apodeme absent...........................................................................................................................5

- Prosternal apodeme present .........................................................................................................................6

5 Accessory setae ( h1) absent..................................................................... Abacarus inversus Huang, 2001c

- Accessory setae ( h1) present................................................................... Abacarus machilus Huang, 2001c

6 Median line absent.......................................................................................................................................7

- Median line present....................................................................................................................................10

7 Submedian lines present ..............................................................................................................................8

- Submedian lines absent................................................................................................................................9

8 Frontal lobe broad and round, annuli subequal dorsoventrally...... Abacarus yunensis Lin & Kuang, 2001

- Frontal lobe acuminate, dorsal and ventral annuli different in number................................................................................................................................................................ Abacarus fujianensis Xin & Ding, 1982

9 Empodium 4-rayed, accessory setae ( h1) absent........................ Abacarus diospyris Kuang & Hong, 1989

- Empodium 6-rayed, accessory setae ( h1) present.................................. Abacarus floridulus Huang, 2001b

10 Accessory setae ( h1) present......................................................................................................................11

- Accessory setae ( h1) absent..................................................... Abacarus zuihoensus Huang & Wang, 2004

11 Prodorsal shield without granules..............................................................................................................12

- Prodorsal shield densely covered granules................................ Abacarus panici Chen, Wei and Qin, 2004

12 Dorsal annuli smooth................................................................... Abacarus virosae Li, Wei & Wang, 2006

- Dorsal annuli with microtubercles..................................................... Abacarus similisagitta Huang, 2001c

13 Prosternal apodeme absent.........................................................................................................................14

- Prosternal apodeme present .......................................................................................................................15

14 Coxal plates with granules, prodorsal shield not anteriorly emarginated Abacarus ellipticae Huang, 2001 a

- Coxal plates with short lines, prodorsal shield anteriorly emarginated ........ Abacarus jiuhuaensis sp. nov.

15 Ventral annuli with microtubercles............................................................................................................16

- Ventral annuli smooth............................................................ Abacarus adinandrae Wei, Li & Chen, 2004

16 Dorsal annuli with microtubercles.............................................................................................................17

- Dorsal annuli smooth.................................................................................................................................22

17 Accessory setae ( h1) present......................................................................................................................18

- Accessory setae ( h1) absent.................................................................... Abacarus aralioidus Huang, 2006

18 Coxal plates with granules.........................................................................................................................19

- Coxal plates with short lines......................................................................................................................20

19 Middorsal opisthosomal ridge with a central crease................................................................................................................................................................. Abacarus euphoriae Keifer, 1975 ; Huang & Cheng, 2005

- Middorsal opisthosomal ridge without a central crease............................ Abacarus eminens Huang, 2001c

20 Dorsal annuli covered even microtubercles...................................................................................................................................................................... Abacarus bambusae ( Channabasavanna), 1966 ; Huang, 2001c

- Lateral ridges with microtubercles only ....................................................................................................21

21 Median and admedian lines separate......................................... Abacarus arunis Chen,Wei and Qin, 2004

- Median and admedian lines connected...................................... Abacarus wuyiensis Kuang & Zhuo, 1987

22 Accessory setae ( h1) present......................................................................................................................23

- Accessory setae ( h1) absent................................................................. Abacarus dimocarpi ( Kuang), 1999

23 Coxal plates with short lines, middorsal opisthosomal ridge without projecting lobes ............................24

- Coxal plates with granules, middorsal opisthosomal ridge with projecting lobes ................................................................................................................................................... Abacarus semicirculus Huang, 2001c

24 Prodorsal shield with granules...................................................................................................................25

- Prodorsal shield without granules.......................................... Abacarus phyllostachyis Lin & Kuang, 2001

25 Prodorsal shield lobe without small projections........................................................................................26

- Prodorsal shield lobe with small projections anteriorly............ Abacarus oplismeni Kuang & Gong, 1996

26 Female genital coverflap with two cross lines at base, empodium 6-rayed........ Abacarus fopingi sp. nov.

- Female genital coverflap smooth at base, empodium 7 to 8-rayed........... Abacarus phalaris Kuang, 1997