Rhyncaphytoptus

Song, Zi-Wei, Xue, Xiao-Feng & Hong, Xiao-Yue, 2007, Four new species and a new name in the genus Rhyncaphytoptus Keifer (Acari: Eriophyoidea: Diptilomiopidae) from China, Zootaxa 1520, pp. 57-68 : 57-59

Key to Rhyncaphytoptus species in China

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

- Coxal area with granules or short lines.......................................................................................................21

2 Female genital coverflap with either longitudinal ridges or granules ..........................................................3

- Female genital coverflap with neither longitudinal ridges nor granules ......................................................5

3 Female genital coverflap only with granules at base............................... Rhyncaphytoptus yilisis sp. nov.

- Female genital coverflap with longitudinal ridges .......................................................................................4

4 Female genital coverflap with 8-9 longitudinal ridges and basal oblique lines, scapular tubercles located on rear shield margin, scapular setae (sc) directed forward ........................................................................... ............................................................................................. Rhyncaphytoptus acer Chen, Wei & Qin, 2004

- Female genital coverflap with only 9 longitudinal ridges, scapular tubercles set near base, scapular setae (sc) directed to rear .................................................................. Rhyncaphytoptus cryptomerus Huang, 2001

5 Prodorsal shield smooth................................................................................................................................6

- Prodorsal shield with lines............................................................................................................................9

6 Ventral annuli smooth ........................................................ Rhyncaphytoptus microstegii Wei & Feng, 1999

- Ventral annuli with microtubercles...............................................................................................................7

7 Prodorsal shield without frontal lobe, accessory setae (h1) absent ..............................................................8

- Prodorsal shield with long and broad frontal lobe, accessory setae (h1) present ........................................... .................................................................................................... Rhyncaphytoptus guanegounis sp. nov.

8 Dorsal annuli with microtubercles, empodium 7 to 8-rayed .......................................................................... ................................................................. Rhyncaphytoptus lushanensis hupehensis Kuang & Hong, 1991

- Dorsal annuli smooth, empodium 7-rayed ................... Rhyncaphytoptus lushanensis Kuang & Zhao, 1987

9 Dorsal annuli laterally with small spines on rear annular margins, otherwise smooth .................................. ................................................................................................ Rhyncaphytoptus ulmivagrans Keifer, 1939b

- Dorsal annuli with microtubercles or smooth.............................................................................................10

10 Dorsal annuli with microtubercles..............................................................................................................11

- Dorsal annuli smooth..................................................................................................................................17

11 Accessory setae (h1) absent, empodium 7-rayed ............... Rhyncaphytoptus ipomoeae Kuang & Shi, 1990

- Accessory setae (h1) present, empodium 5 or 6-rayed...............................................................................12

12 Empodium 5-rayed, dorsal annuli with triangle or spiny microtubercles...................................................13

- Empodium 6-rayed, dorsal annuli with round microtubercles ...................................................................16

13 Prodorsal shield design with obscure median line, dorsal annuli with spiny microtubercles ....................14

- Prodorsal shield design with distinct median line, dorsal annuli with triangle microtubercles..................15

14 Two transverse lines between median line and admedian lines, between dorsal tubercles and inside sub- median lines with arc marking ...................... Rhyncaphytoptus ulmi chongqingensis Kuang & Hong, 1991

- Prodorsal shield without transverse lines between median line and admedian lines...................................... ..................................................................................................... Rhyncaphytoptus ulmi Xin & Dong, 1981

15 Prodorsal shield design with complete submedian lines, dorsal annuli with triangular microtubercles on annular rear margins ............................................................. Rhyncaphytoptus hangzhouensis Kuang, 1998

- Prodorsal shield design with incomplete submedian lines, dorsal annuli with triangular microtubercles ahead of annular margins .................................................... Rhyncaphytoptus caricae Zhao & Kuang, 1998

16 Prodorsal shield design with discontinuous median line, tarsal solenidion rod-like ...................................... ........................................................................................................... Rhyncaphytoptus tiliarium sp. nov.

- Prodorsal shield design with complete median line, tarsal solenidion knobbed ............................................ .............................................................................................. Rhyncaphytoptus celtis Kuang & Hong, 1991

17 Female genital coverflap with transverse lines basally ....................... Rhyncaphytoptus boczeki Hall, 1967

- Female genital coverflap smooth................................................................................................................18

18 Dorsal annuli uniform and rounded............................................................................................................19

- Dorsal annuli uneven, dorsal 2/3 anterior central annuli broader than lateral................................................ ........................................................................................................... Rhyncaphytoptus ulmiss new name

19 Accessory setae (h1) present ............................................... Rhyncaphytoptus betulae Kuang & Hong, 1990

- Accessory setae (h1) absent ........................................................................................................................20

20 Prodorsal shield design with distinct median line, median line connected with admedian lines with two transverse lines, empodium 6 or 7-rayed ...................... Rhyncaphytoptus zhongshani Zhao & Kuang, 1998

- Prodorsal shield design with obscure median line, empodium 8-rayed ......................................................... ........................................................................................ Rhyncaphytoptus jiangsuensis Xin & Dong, 1981

21 Dorsal annuli smooth ..................................................................................................................................22

- Dorsal annuli with microtubercles..............................................................................................................25

22 Dorsal opisthosoma with five longitudinal ridges .......... Rhyncaphytoptus fabris Xue, Song & Hong, 2006

- Dorsal opisthosoma evenly rounded...........................................................................................................23

23 Accessory setae (h1) present, dorsal shield smooth .......................... Rhyncaphytoptus ziziphi Kuang, 2005

- Accessory setae (h1) absent, dorsal shield design with lines .....................................................................24

24 Prodorsal shield design with median line connected with admedian lines with a transverse line at near median, scapular tubercles ahead of shield rear margin, tarsal solenidion rod-like ....................................... ......................................................................................... Rhyncaphytoptus lonicerae Kuang & Zhao, 1987

- Prodorsal shield design with median line and admedian lines subparallel, scapular tubercles on shield rear margin, tarsal solenidion knobbed ............................................. Rhyncaphytoptus mori Liu & Kuang, 1998

25 Prodorsal shield smooth ....................................... Rhyncaphytoptus cotoneasteri Xue, Song & Hong, 2006

- Prodorsal shield design with lines or dashes ..............................................................................................26

26 Prodorsal shield design entirely with many dashes, scapular setae very long (210µm)................................. ...................................................................................... Rhyncaphytoptus abiesis Xue, Song & Hong, 2006

- Prodorsal shield design with lines, scapular setae are shorter. ...................................................................27

27 Accessory setae (h1) present.......................................................................................................................28

- Accessory setae (h1) absent ........................................................................................................................30

28 Female genital coverflap with longitudinal ridges .......... Rhyncaphytoptus longipalpis Xue & Hong, 2005

- Female genital coverflap smooth................................................................................................................29

29 Prosternal apodeme present ......................................................... Rhyncaphytoptus potentillae Keifer, 1962

- Prosternal apodeme absent ........................................... Rhyncaphytoptus fargesis Xue, Song & Hong, 2006

30 Scapular setae projecting backward, empodium 8-rayed ........ Rhyncaphytoptus illicis Kuang & Luo, 2005

- Scapular setae projecting forward, empodium 5 or 6-rayed.......................................................................31

31 Dorsal annuli with spiny microtubercles on rear annular margins, empodium 5-rayed................................. ....................................................................................... Rhyncaphytoptus taihangensis Xue & Hong, 2005

- Dorsal annuli with round microtubercles on rear annular margins, empodium 6-rayed ............................32

32 Coxal area with short lines, tarsal solenidion knobbed ............... Rhyncaphytoptus longyuwanis sp. nov.

- Coxal area with granules, tarsal solenidion tapered ........ Rhyncaphytoptus papyriferae Xue & Hong, 2005