Aculus
Creators: name: Song, Zi-Wei
name: Xue, Xiao-Feng
name: Hong, Xiao-Yue
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Prostigmata
Eriophyidae
Aculus

description: Key to Aculus species in China
1 Coxal area smooth ........................................................................................................................................................ 2
- Coxal area with granules or short lines....................................................................................................................... 12
2 Dorsal annuli smooth .................................................................................................................................................... 3
- Dorsal annuli with microtubercles.............................................................................................................................. 10
3 Ventral annuli smooth ........................................................................................... Aculus shaoxingensis Kuang, 1998b
- Ventral annuli with microtubercles ...............................................................................................................................4
4 Setae h1 absent, tarsal empodium 5-rayed ........................................................ Aculus ablopurpurascus Huang, 2001a
- Setae h1 present, tarsal empodium 4-rayed .................................................................................................................. 5
5 Prodorsal shield smooth ..................................................................................... Aculus huangzhongensis Kuang, 2000
- Prodorsal shield design with lines ................................................................................................................................ 6
6 Setae f on 6th ventral annulus from rear ....................................................................................................................... 7
- Setae f on 5th ventral annulus from rear ....................................................................................................................... 8
7 Prodorsal shield sub-pentagonal, median, admedian and submedian lines complete, median and admedian lines con- nected near base; female genital coverflap with 8 longitudinal ridges and 3 transverse lines in two ranks at base....... .............................................................................................................. Aculus toxicodendri Xue, Song & Hong, 2008
- Prodorsal shield design with incomplete median line and complete admedian lines, submedian line absent, admedian lines connected at posterior; female genital coverflap with 10-12 longitudinal ridges. Aculus cayratiae Kuang, 1987
8 Prodorsal shield with granules on anterior margin .......................................... Aculus asteri Xue, Song & Hong, 2008
- Prodorsal shield without granules................................................................................................................................. 9
9 Prodorsal shield subtriangular, design with median line incomplete, admedian and submedian lines complete; frontal lobe without spine .................................................................................. Aculus ligustri (Keifer, 1938) in Kuang, 1995
- Prodorsal shield design with median line absent, incomplete admedian and submedian lines; frontal lobe with two spines ............................................................................................................... Aculus mansoni Amrine & Stasny, 1994
10 Setae f on 8th ventral annulus from rear; tarsal solenidion knobbed; coxal plates I separated ...................................... ..................................................................................................................... Aculus mononis Song, Xue & Hong, 2008
- Setae f on 6th ventral annulus from rear; tarsal solenidion tapered; coxal plates I not separated. ............................. 11
11 Ventral annuli with round microtubercles; tarsal empodium 5-rayed; female genital coverflap with 7-8 longitudinal ridges, 4 discontinuous lines at base; frontal lobe with two spines. ........... Aculus sargentodoxae Wei & Kuang, 1997
- Ventral annuli with tapered microtubercles; tarsal empodium 6-rayed; female genital coverflap with 2 ranks ridges; frontal lobe without spine ............................................................................... Aculus longanensis Wei & Kuang, 1997
12 Dorsal annuli smooth .................................................................................................................................................. 13
- Dorsal annuli with microtubercles.............................................................................................................................. 21
13 Female genital coverflap smooth .............................................. Aculus gladitsiae Kuang & Luo in Kuang et al., 2005
- Female genital coverflap with ridges.......................................................................................................................... 14
14 Female genital coverflap with 2 transverse lines at base.............................. Aculus cuihuae Xue, Song & Hong, 2008
- Female genital coverflap without transverse line at base ........................................................................................... 15
15 Tarsal empodium 7-rayed ............................................................................................. Aculus bambusae Kuang, 1991
- Tarsal empodium 4 or 5-rayed .................................................................................................................................... 16
16 Ventral annuli with tapered microtubercles .................................................................................................................... .................................................................. Aculus fockeui (Nalepa & Trouessart in Trouessart, 1891) in Kuang, 1995
- Ventral annuli with round microtubercles...................................................................................................................17
17 Coxal plates with granules.......................................................................................................................................... 18
- Coxal plates with short lines....................................................................................................................................... 19
18 Prodorsal shield with granules at lateral, frontal lobe without spine; paraxial tibial seta (l') located 1/4 from dorsal base; setae f on 6th ventral annulus from rear ............................................... Aculus rumexis Xue, Song & Hong, 2008
- Prodorsal shield without granules, frontal lobe with two spines; paraxial tibial seta (l') located 1/3 from dorsal base; setae f on 5th ventral annulus from rear .................................................................. Aculus melia Kuang & Zhuo, 1989
19 Prodorsal shield design with median line absent; setae f on 4th ventral annulus from rear ........................................... ................................................................................................. Aculus guilinensis Kuang & Luo in Kuang et al., 2005
- Prodorsal shield design with median line present; setae f on 5th ventral annulus from rear...................................... 20
20 Prodorsal shield design with median and admedian lines incomplete, submedian line absent; frontal lobe with two spines; tarsal empodium 4-rayed, tarsal solenidion rod-like ......................................... Aculus pistaciae Kuang, 1998a
- Prodorsal shield design with all lines complete; frontal lobe without spine; tarsal empodium 5-rayed, tarsal solenid- ion tapered .............................................................................................. Aculus broussonetiae Lin, Jin & Kuang, 1997
21 Female genital coverflap smooth ................................................................................................................................ 22
- Female genital coverflap with longitudinal ridges .....................................................................................................23
22 Prodorsal shield with only thick admedian lines, a transverse line connected with admedian lines forming H shape, granules on center and lateral ................................................................................................. Aculus sorbariae sp. nov.
- Prodorsal shield with all lines complete, median and admedian lines connected with a transverse line at 1/4 from posterior ................................................................................................................. Aculus persicae Xue & Hong, 2005
23 Setae h1 absent........................................................................................... Aculus macrocarpae Huang & Wang, 2004
- Setae h1 present .......................................................................................................................................................... 24
24 Prodorsal shield design with median line absent ........................................................................................................ 25
- Prodorsal shield design with median line present....................................................................................................... 29
25 Dorsal annuli with spiny microtubercles; tarsal empodium 7-rayed. ........................ Aculus daibuensis Huang, 2001b
- Dorsal annuli with elliptical or elongated microtubercles; tarsal empodium 4 to 6-rayed......................................... 26
26 Tarsal empodium 6-rayed; female genital coverflap with 12 longitudinal ridges and 2 transverse lines at base........... ..................................................................................................................... Aculus amurens Xue, Song & Hong, 2008
- Tarsal empodium 4 or 5-rayed; female genital coverflap without transverse line at base.......................................... 27
27 Coxal plates with only granules; tarsal empodium 5-rayed, tarsal solenidion rod-like.................................................. .................................................................................................................................. Aculus populi Xue & Hong, 2005
- Coxal plates with short lines; tarsal empodium 4-rayed, tarsal solenidion knobbed.................................................. 28
28 Coxal plates with only short lines; setae f on 5th ventral annulus from rear; female genital coverflap with 8 longitu- dinal ridges and granules at base; dorsal annuli with elliptical microtubercles all over the dorsal opisthosoma........... ..................................................................................................................... Aculus jingbois Xue, Song & Hong, 2008
- Coxal plates with short lines and granules; setae f on 6th ventral annulus from rear; female genital coverflap with 12–14 longitudinal ridges; dorsal annuli with elliptical microtubercles except 7 to 8 annuli from rear smooth ........... ......................................................................................................................................... Aculus tibetsalicinus sp. nov.
29 Prodorsal shield with granules on the shield. ............................................................................................................. 30
- Prodorsal shield without granules............................................................................................................................... 35
30 Tarsal empodium 8-rayed .............................................................................................. Aculus cheilophilanus sp. nov.
- Tarsal empodium 4 or 5-rayed .................................................................................................................................... 31
31 Tarsal empodium 5-rayed; dorsal annuli with filament microtubercles; female genital coverflap with 10 longitudinal ridges and 3 transverse lines at base .......................................................... Aculus eupteleae Xue, Song & Hong, 2008
- Tarsal empodium 4-rayed; dorsal annuli with elongated or tapered microtubercles; female genital coverflap without transverse line at base ................................................................................................................................................. 32
32 Dorsal annuli with tapered microtubercles; setae f on 6th ventral annulus from rear .................................................... ....................................................................................................... Aculus niphocladae (Keifer, 1966) in Kuang, 1995
- Dorsal annuli with elongated microtubercles; setae f on 5th ventral annulus from rear ............................................33
33 Prodorsal shield design with all lines present and complete; coxal plates with granules only, paraxial tibial seta (l') located 1/4 from dorsal base ........................................................... Aculus tetanothrix (Nalepa, 1889) in Kuang, 1995
- Prodorsal shield design with median and submedian lines incomplete; coxal plates with short lines; paraxial tibial seta (l') located 1/3 from dorsal base. ......................................................................................................................... 34
34 Coxal plates with short lines only; prodorsal shield design with all lines incomplete and thick, submedian lines con- nected with a transverse line at 1/3 from anterior forming “n” shape ....................................... Aculus jasmini sp. nov.
- Coxal plates with short lines and granules; prodorsal shield design with median and submedian lines incomplete, admedian lines complete, laterally sparsely granulate .............. Aculus schlechtendali (Nalepa, 1890) in Kuang, 1995
35 Dorsal annuli with microtubercles laterally, others smooth ................................... Aculus shanghaiensis Kuang, 1997
- Dorsal annuli with microtubercles uniform................................................................................................................ 36
36 Coxal plates with only short lines or granules............................................................................................................ 37
- Coxal plates with both short lines and granules ........................................................... Aculus lhasasorbariae sp. nov.
37 Coxal plates with short lines only............................................................................................................................... 38
- Coxal plates with granules only.................................................................................................................................. 43
38 Dorsal annuli with spiny microtubercles ........................................................... Aculus coggygriae Xue & Hong, 2005
- Dorsal annuli with elliptical or filament microtubercles ............................................................................................ 39
39 Tarsal empodium 7-rayed; dorsal annuli with filament microtubercles ................................... Aculus vignaus sp. nov.
- Tarsal empodium 4 or 6-rayed; dorsal annuli with elliptical microtubercles ............................................................. 40
40 Ventral annuli with tapered microtubercles; setae f on 5th ventral annulus from rear.................................................... .................................................................................................................... Aculus leonuri Kuang, Luo & Wang, 2005
- Ventral annuli with spiny or round microtubercles; setae f on 6th ventral annulus from rear....................................41
41 Tarsal empodium 6-rayed, tarsal solenidion tapered; female genital coverflap with 8 longitudinal ridges ................... .................................................................................................................. Aculus changbais Xue, Song & Hong, 2008
- Tarsal empodium 4-rayed, tarsal solenidion rod-like; female genital coverflap with 10 to 12 longitudinal ridges ... 42
42 Prodorsal shield design with median line complete, frontal lobe with four spines; ventral annuli with round microtu- bercles ...................................................................................................................... Aculus salicis Kuang & Luo, 1997
- Prodorsal shield design with median lines 1/3 at base, frontal lobe without spine; ventral annuli with spiny microtu- bercles ................................................................................................................. Aculus altissimae Xue & Hong, 2005
43 Paraxial tibial seta (l') located 1/4 from dorsal base, tarsal solenidion tapered; dorsal annuli with round microtuber- cles; setae f on 6th ventral annulus from rear ...................................................... Aculus huixiansis Xue & Hong, 2005
- Paraxial tibial seta (l') located 1/3 from dorsal base, tarsal solenidion knobbed; dorsal annuli with elliptical microtu-
bercles; setae f on 5th ventral annulus from rear ........................................................................................................ 44 44 Prodorsal shield design with incomplete median line connected with admedian lines by two diagonal lines at 1/4 from rear, admedian and submedian lines connected with together by a arc line at about 1/4 from anterior ................ .............................................................................................................................. Aculus amygdali Xue & Hong, 2005
- Prodorsal shield design with median line 2/3 of the shield, median and admedian lines separated, admedian and submedian lines also separated and subparallel .................................................... Aculus parafockeui Liu & Kuang, 1998
description: Published as part of Song, Zi-Wei, Xue, Xiao-Feng & Hong, Xiao-Yue, 2009, Six new species of Aculus Keifer from Tibet Autonomous Region, China (Acari: Eriophyoidea: Eriophyidae: Phyllocoptinae), pp. 1-23 in Zootaxa 2305 on pages 1-4, DOI: 10.5281/zenodo.275349