Epitrimerus

Xue, Xiao-Feng, Song, Zi-Wei & Hong, Xiao-Yue, 2007, Seven new species of the genus Epitrimerus Nalepa (Acari: Eriophyidae: Phyllocoptinae) from China, Zootaxa 1406, pp. 1-15 : 1-3

Key to species of Epitrimerus in China

1 Coxal area smooth ....................................................................................................................................... 2

- Coxal area with granules or short lines...................................................................................................... 10

2 Dorsal annuli smooth................................................................................................................................... 3

- Dorsal annuli with microtubercles............................................................................................................... 4

3 Median line on prodorsal shield present....................................... Epitrimerus amoni Kuang & Hong, 1989

- Median line on prodorsal shield absent.................................................... Epitrimerus aceris Huang, 2001b

4 Female genital coverflap smooth................................................................................................................. 5

- Female genital coverflap with ridges........................................................................................................... 6

5 Prosternal apodeme present, median line present on prodorsal shield. Epitrimerus englerus Huang, 2001 b

- Prosternal apodeme absent, median line absent from prodorsal shield. Epitrimerus turgidus Huang, 2001 c

6 Setae h1 absent.................................................................................. Epitrimerus parvispina Huang, 2001c

- Setae h1 present ........................................................................................................................................... 7

7 Prosternal apodeme absent........................................................ Epitrimerus irisanus Huang & Wang, 2004

- Prosternal apodeme present ......................................................................................................................... 8

8 Prodorsal shield with granules or short lines............................................................................................... 9

- Prodorsal shield without granules and short lines................................... Epitrimerus microcarpae sp. nov.

9 Prodorsal shield with many short lines, female genital coverflap with eight longitudinal ridges........................................................................................................................................... Epitrimerus argyris sp. nov.

- Prodorsal shield with many granules, female genital coverflap with 12 longitudinal ridges..................................................................................................... Epitrimerus pyri ( Nalepa), 1891 ; ( Hong & Zhang, 1996)

10 Coxal area with short lines ........................................................................................................................ 11

- Coxal area with granules............................................................................................................................ 22

11 Dorsal annuli smooth ................................................................................................................................. 12

- Dorsal annuli with microtubercles............................................................................................................. 17

12 Prodorsal shield smooth......................................................................... Epitrimerus pini Kuang & Li, 1994

- Prodorsal shield with designs .................................................................................................................... 13

13 Setae h1 absent .......................................................................................................................................... 14

- Setae h1 present ......................................................................................................................................... 15

14 Female genital coverflap with 20 longitudinal ridges ............................................................................................................................................................... Epitrimerus abietis Keifer, 1952 ; ( Hong & Zhang, 1996)

- Female genital coverflap with 12 to 14 longitudinal ridges....... Epitrimerus piper Wei, Xie & Chen, 2006

15 Median line present..................................................... Epitrimerus armeniacae Kuang, Luo & Wang, 2005

- Median line absent..................................................................................................................................... 16

16 Admedian lines absent.............................................................................. Epitrimerus cotoneasteri sp. nov.

- Admedian lines present........................................................................... Epitrimerus spiraeae Kuang, 1995

17 Setae h1 absent.............................................................................. Epitrimerus callicarpae Wei & Li, 2004

- Setae h1 present ......................................................................................................................................... 18

18 Prodorsal shield smooth............................................. Epitrimerus libocedri ( Keifer) 1939 ; ( Huang, 2001c)

- Prodorsal shield with designs .................................................................................................................... 19

19 Median line present......................................................................................... Epitrimerus integrae sp. nov.

- Median line absent..................................................................................................................................... 20

20 Admedian lines present.............................................................................................................................. 21

- Admedian lines absent......................................................................... Epitrimerus dendranthemae sp. nov.

21 Tarsal empodium 4-rayed, female genital coverflap with eight longitudinal ridges .......................................................................................................................................... Epitrimerus amygdali Xue & Hong, 2005

- Tarsal empodium 5-rayed, female genital coverflap with 10 longitudinal ridges .................................................................................................................................................................... Epitrimerus vescae sp. nov.

22 Dorsal annuli smooth ................................................................................................................................. 23

- Dorsal annuli with microtubercles............................................................................................................. 24

23 Admedian lines present, female genital coverflap with 20 longitudinal ridges............................................................................................................................................................ Epitrimerus lobatiae Huan g, 2001a

- Admedian lines absent, female genital coverflap with 10 longitudinal ridges.................................................................................................................................................................... Epitrimerus lonicerae sp. nov.

24 Setae h1 absent .......................................................................................................................................... 25

- Setae h1 present ......................................................................................................................................... 26

25 Female genital coverflap smooth........................................... Epitrimerus dimocarpi Kuang & Hong, 1989

- Female genital coverflap with longitudinal ridges.......... Epitrimerus ipomoeae Wei, Feng & Huang, 1999

26 Median line present................................................... Epitrimerus virginiana Keifer, 1959 ; ( Huang, 2001c)

- Median line absent..................................................................................................................................... 27

27 Tarsal empodium 6-rayed.............................................................. Epitrimerus sabinae Xue & Hong, 2005

- Tarsal empodium 3-rayed............................................................ Epitrimerus gnaphali Xue & Hong, 2005