<p class = " HeadingRunIn " align = " left "> <strong> Eriophyoid mites from Northeast China (Acari: Eriophyoidea) </ strong> </ p>
Author
XUE, XIAO-FENG
Author
GUO, JING-FENG
Author
HONG, XIAO-YUE
text
Zootaxa
2013
2013-07-17
3689
1
1
123
http://dx.doi.org/10.11646/zootaxa.3689.1.1
journal article
10.11646/zootaxa.3689.1.1
11755334
6031216
B9AF6B79-76AA-4AA1-A036-E0125D272649
Tetra angelica
sp. nov.
(Figs 65–68)
Description.
FEMALE: (n = 15) Body fusiform, 236 (228–241), 88 (88–93) wide, 75 (75–77) thick; light yellow.
Gnathosoma
25 (25–26), projecting obliquely down, pedipalp coxal seta (
ep
) 2 (2–3), dorsal pedipalp genual seta (
d
) 10 (9–10), cheliceral stylets 22 (19–22).
Prodorsal shield
60 (56–60), 80 (80–81) wide, median, admedian and submedian lines incomplete, with large granules at lateral margins; anterior shield lobe broad. Scapular tubercles near rear shield margin, 33 (33–35) apart, scapular setae (
sc
) 7 (7–8), projecting posterior.
Coxigenital region
with 8 (8–10) microtuberculated annuli. Coxal plates with granules, anterolateral setae on coxisternum І (
1b
) 10 (9–10), 16 (15–16) apart, proximal setae on coxisternum І (
1a
) 21 (21–23), 11 (10–11) apart, proximal setae on coxisternum І (
2a
) 51 (41–51), 32 (32–33) apart, tubercles
1b
and
1a
apart 10 (10–11), tubercles
1a
and
2a
11 (11–12) apart. Prosternal apodeme 8 (7–8).
Legs
with usual series of setae. Leg І 38 (38–40), femur 13 (13–14), basiventral femoral seta (
bv
) 10 (10–11); genu 5 (4–5), antaxial genual seta (
l
') 31 (30–32); tibia 11 (11–12), paraxial tibial seta (
l
') 5 (5–6), located at center; tarsus 7 (6–7), seta
ft
' 20 (20–23), seta
ft
' 22 (19–22), seta
u
' 5 (4– 5); tarsal empodium (
em
) 6 (6–7), simple, 4-rayed, tarsal solenidion (ω) 6 (6–7), knobbed. Leg І 33 (33–35), femur 9 (9–10), basiventral femoral seta (
bv
) 10 (10–11); genu 5 (4–5), antaxial genual seta (
l
') 9 (8–9); tibia 8 (8– 9); tarsus 8 (8–9), seta
ft
' 7 (6–7), seta
ft
' 25 (24–25), seta
u
' 4 (4–5); tarsal empodium (
em
) 6 (6–7), simple, 4- rayed, tarsal solenidion (ω) 6 (6–7), knobbed.
Opisthosoma
: dorsally with 26 (26–28) annuli, with filament microtubercles on rear annular margin, ventrally with 62 (62–63) annuli, with round microtubercles on rear annular margins. Setae
c2
31 (30–31) on ventral annulus 11 (10–11), 73 (73–75) apart; setae
d
62 (62–65) on ventral annulus 25 (25–26), 41 (41–42) apart; setae
e
21 (21–23) on ventral annulus 43 (43–45), 20 (20–21) apart, setae
f
28 (28–30) on 5th ventral annulus from rear, 27 (27–28) apart. Setae
h1
4 (4–5),
h2
83 (83–85).
Female genitalia
16 (15–16), 25 (25–26) wide, coverflap with 12-14 longitudinal ridges, setae
3a
21 (21–25), 19 (19–20) apart.
MALE: (n = 1) Body fusiform, 190, 68 wide; light yellow.
Gnathosoma
20, projecting obliquely down, pedipalp coxal seta (
ep
) 2, dorsal pedipalp genual seta (
d
) 8, cheliceral stylets 18.
Prodorsal shield
50, 62 wide, median, admedian and submedian lines incomplete, with large granules at lateral margin; anterior shield lobe broad. Scapular tubercles near rear shield margin, 30 apart, scapular setae (
sc
) 5, projecting posterior.
Coxigenital region
with 8 microtuberculated annuli. Coxal plates with granules, anterolateral setae on coxisternum І (
1b
) 10, 14 apart, proximal setae on coxisternum І (
1a
) 20, 8 apart, proximal setae on coxisternum І (
2a
) 31, 28 apart, tubercles
1b
and
1a
apart 8, tubercles
1a
and
2a
7 apart. Prosternal apodeme 7.
Legs
with usual series of setae. Leg І 35, femur 10, basiventral femoral seta (
bv
) 10; genu 4, antaxial genual seta (
l
') 21; tibia 10, paraxial tibial seta (
l
') 4, located at center; tarsus 6, seta
ft
' 15, seta
ft
' 18, seta
u
' 4; tarsal empodium (
em
) 5, simple, 4-rayed, tarsal solenidion (ω) 5, knobbed. Leg І 30, femur 8, basiventral femoral seta (
bv
) 8; genu 4, antaxial genual seta (
l
') 8; tibia 6; tarsus 7, seta
ft
' 5, seta
ft
' 20, seta
u
' 4; tarsal empodium (
em
) 6, simple, 4-rayed, tarsal solenidion (ω) 6, knobbed.
Opisthosoma
: dorsally with 26 annuli, with filament microtubercles on rear annular margin, ventrally with 57 annuli, with round microtubercles on rear annular margins. Setae
c2
21 on ventral annulus 11, 57 apart; setae
d
52 on ventral annulus 22, 31 apart; setae
e
16 on ventral annulus 36, 17 apart, setae
f
22 on 5th ventral annulus from rear, 21 apart. Setae
h1
2,
h2
58.
Male genitalia
21 wide, setae
3a
13, 17 apart.
FIGURE 67.
Tetra angelica
sp. nov.
: A. Dorsal view of female; B. Ventral view of female; C. Ventral view of posterior part of female; D. Dorsal view of posterior part of female; E. Coxae and male genitalial; F. Prodorsal shield of female; G. Coxae and female genitalial; H. Empodium.
Type material.
Holotype
, female (slide number NJAUAcariEriH66, marked
Holotype
), from
Angelica
sp. (
Apiaceae
),
Jiagedaqi
,
Heilongjiang Province
, P.
R
.
China
,
50°24'27''N
,
124°06'43''E
,
elevation
365m
,
17 July 2008
, coll.
Xiao-Feng Xue
,
Zhen Wang
&
Zi-Wei Song.
Paratypes
,
5 females
(slide number NJAUAcariEriH16), with the same data as holotype
.
Relation to host.
Vagrant on leaf surface. No damage to the host was observed.
Etymology.
The specific designation
angelica
is from the generic name of the host plant,
Angelica
.
Differential diagnosis.
This species is similar to
Tetra peucedani
Farkas, 1970
, from
Peucedanum alsaticum
L. (
Apiaceae
), but can be differentiated from the latter by the prodorsal shield with median, admedian and submedian lines and granules (prodorsal shield smooth in
T. peucedani
) and dorsal annuli with filament microtubercles (dorsal annuli smooth in
T. peucedani
).