A taxonomic study of the genus Te t r a Keifer (Acari: Eriophyidae: Phyllocoptinae: Anthocoptini) from Shaanxi Province, China with descriptions of nine new species
Author
Xue, Xiao-Feng
Author
Song, Zi-Wei
Author
Hong, Xiao-Yue
text
Zootaxa
2006
1249
1
22
journal article
50598
10.5281/zenodo.172971
a6418974-2006-4f93-8688-42d5c7960b55
11755326
172971
Key to species in the genus
Tetra
in
China
1 Coxal area smooth......................................................................................................... 2
Coxal area with short lines or granules ....................................................................... 12
2 Setae
h1
absent
..........................................................................
Tetra intermedia
Huang
Setae
h1
present............................................................................................................. 3
3 Empodium 7rayed
.......................................................................
Tetra yushania
Huang
Empodium 4rayed........................................................................................................ 4
4 Coxal area with prosternal apodeme
.......................................
Tetra similisforca
Huang
Coxal area without prosternal apodeme ........................................................................ 5
5 Shield design without median line ................................................................................ 6
Shield design with median line ..................................................................................... 8
6 Admedian lines on prodorsal shield separate
..................................
Tetra acerii
sp. nov.
Admedian lines on prodorsal shield connected............................................................. 7
7 Admedian lines on prodorsal shield connected at basal 2/3
..............
Tetra toona
Huang
Admedian lines on prodorsal shield connected at base
...............
Tetra sorbusis
sp. nov.
8 Shield design with median line separate from admedian lines
.......
Tetra lucidi
sp. nov.
Shield design with median line connected with admedian lines................................... 9
9 Shield design with median line 1/3 anterior, female genital coverflap with 8 to 10 lon gitudinal ridges
........................................................
Tetra guiyangensis
Kuang & Hong
Shield design with median line 1/3 at base, female genital coverflap with more than 10 longitudinal ridges....................................................................................................... 10
10 Femur Ι and ΙΙ with longitudinal lines
.........................
Tetra polygoni
Wei, Chen & Xie
Femur smooth.............................................................................................................. 11
11 Shield design with admedian lines connected at basal 1/3, admedian and submedian lines separate
...........................................................
Tetra clerodendri
Wei, Chen & Xie
Shield design with admedian lines connected at basal 1/3 and 2/3, admedian and sub median lines connected
...............................................................
Tetra smilaxis
sp. nov.
12 Coxal area with granules............................................................................................. 13
Coxal area with short lines .......................................................................................... 15
13 Female
genital coverflap smooth, empodium 7rayed ...................................................
.....................................................................................
Tetra dalbergiae
Kuang & Zhuo
Female genital coverflap with 10 longitudinal ridges, empodium 4rayed................. 14
14 Prodorsal shield with lateral lobe, dorsal annuli with elliptical microtubercles. ............
.................................................................................................
Tetra ningshanis
sp. nov.
Prodorsal shield without lateral lobe, dorsal annuli with spiny microtubercles..............
..........................................................................................
Tetra suspensae
Xue & Hong
15 Dorsal annuli with microtubercles .............................................................................. 16
Dorsal annuli smooth .................................................................................................. 23
16 Empodium 2rayed
......................................................................
Tetra concava
(Keifer)
Empodium more than 2rayed..................................................................................... 17
17 Dorsal annuli with elliptical microtubercles ............................................................... 18
Dorsal annuli with spiny or filament microtubercles .................................................. 20
18 Empodium 4rayed, shield design obscure
.................................
Tetra cuihuae
sp. nov.
Empodium 6 to 7rayed, shield design distinct ........................................................... 19
19 Solenidion knobbed, dorsal annuli with elliptical microtubercles on rear annular mar gins
.................................................................................................
Tetra salixis
sp. nov.
Solenidion tapered, dorsal annuli with elliptical microtubercles ahead of rear annular margins
.............................................................................
Tetra japonicae
Xue & Hong
20 Empodium 4rayed
................................................................
Tetra pinnatifidae
sp. nov.
Empodium 6 to 7rayed............................................................................................... 21
21 Shield design with median line complete
..........................
Tetra formosae
Xue & Hong
Shield design with median line incomplete................................................................. 22
22 Shield design with granules on lines, median line connected with admedian lines at basal 1/3
...............................................................................
Tetra lobatae
Xue & Hong
Shield design without granules on lines, median and admedian lines separate ..............
.......................................................................................
Tetra superbae
Huang & Wang
23 Prodorsal shield smooth
........................................................
Tetra louguantais
sp. nov.
Prodorsal shield with design ....................................................................................... 24
24 Median line on prodorsal shield present ..................................................................... 25
Median line on prodorsal shield absent....................................................................... 29
25 Median, admedian and submedian lines complete and separated each other .................
..............................................................................
Tetra phyllostachyis
Kuang & Zhang
Prodorsal shield design network ................................................................................. 26
26 Setae
h1
present
...............................................................
Tetra shiheziensis
Wang & Lu
Setae
h1
absent............................................................................................................ 27
27 Prodorsal shield without median line at base
..................
Tetra gleditsiae
Kuang & Luo
Prodorsal shield with median line at base ................................................................... 28
28 Female
coverflap with 3 transverse lines at base and 5 to 8 longitudinal ridges, median line connected with admedian lines at basal, central and anterior ..................................
........................................................................................................
Tetra cleomis
Kuang
Female coverflap with 8 longitudinal ridges, median line connected with admedian lines at basal
....................................................................
Tetra lycopersici
Xue & Hong
29 Coxal area without prosternal apodeme
.....................
Tetra lushuiensis
Kuang & Hong
Coxal area with prosternal apodeme ........................................................................... 30
30 Empodium 6rayed, submedian lines present
.......
Tetra nanjingensis
Lin, Jin & Kuang
Empodium 4rayed, submedian lines absent............................................................... 31
31 Admedian lines connected at base, female coverflap with 12 to 14 longitudinal ridges
..........................................................................................................
Tetra populi
Kuang
Admedian lines separate, female coverflap with 8 to 10 longitudinal ridges .................
........................................................................................
Tetra heilongjiangensis
Kuang