Three new species of eriophyoid mites (Acari: Eriophyoidea) infesting fruit yielding plants from India
Author
Chakrabarti, Samiran
Author
Sarkar, Sanjay
text
Zootaxa
2011
2988
28
36
journal article
10.5281/zenodo.203722
19cefe98-f1c4-4195-8c75-a569a38cd223
1175-5326
203722
Phyllocoptruta citricola
n. sp.
(
Figs. 7–10
.)
Diagnosis.
This species is distinguished by the following combination of characters: prodorsal shield shows a median line at the cell formed between the dorsal tubercles by the admedians and V like cross-line, prodorsal shield lobe shows only admedian lines, direction of scapular setae upward and centrad, presence of seta
h1
, 4 rayed, tarsal empodium, curved tarsal solenidion, 14 longitudinal scorings on epigynium and both coxal surface ornamented with wavy parallel lines.
FIGURE 7−10.
Phyllocoptruta citricola
n. sp.
:
7.
Dorsal view of the body
8.
Laterally dorsal view of the body;
9.
Ven t ral view of coxal-genital region;
10.
Tarsal empodium with tarsal solenidion.
FEMALE
(n=10): Body 113.8 (113.8–135.3) long, 63.4 (57.8–68.1) wide.
Gnathosoma
21.4 (21.4–22.4) long, evenly curved downward. Dorsal pedipalp genual seta
d
3.7 (3.2–3.7) and pedipalp coxal seta
ep
present.
Prodorsal shield
42.0 (42.0–42.9) long, 50.4 (50.4–54.14) wide with an anterior lobe overhanging gnathosoma; prodorsal shield design represents clear pattern of curved lines. Median line extends between the middle and posterior V like cross line of admedians; admedian lines wavy with three cross lines first one on 9.2, second one on 22.2 from anterior margin of prodorsal shield, and the third one on 4.7 from posterior margin of the prodorsal shield forming a V-shaped line, widely apart at middle forming an almost rhomboid shaped gap; submedian lines sinuate, extend from the anterior cross line of admedian up to the posterior shield margin touching the base of the scapular setae
sc
, submedian lines touch the admedian at middle. Dorsal tubercles ahead of rear shield margin, 25.2 apart; scapular seta
sc
5.6 (4.6–5.6) long, directed upward and centered.
Leg I
from base of trochanter 28.0 (28.0–28.9), femur 13.0 (12.1–13.0), basiventral femoral seta
bv
13.1 (12.8–13.1), genu 3.7 (3.7–4.6), antaxial genual seta
1
ʺ 23.3 (22.4–24.2), tibia 4.6, paraxial tibial seta
1
ʹ 4.6 (4.6–5.6), tarsus 5.6 (5.1–5.6), paraxial fastigial tarsal seta
ft
ʹ 14.9 (14.9–18.6), antaxial fastigial tarsal seta
ft
ʺ 25.2 (21.4–25.2), paraxial unguinal tarsal seta
u
ʹ 3.2 (3.2–3.7), tarsal empodium em 4.6 (4.1–4.6) and 4 rayed, tarsal solenidion ω knobbed, slightly curved and 6.5 (6.5–7.0).
Leg II
from base of trochanter 28.9 (28–28.9), femur 14.0 (13.0–14.0), basiventral femoral seta
bv
13.0 (12.1–13.0), genu 3.7 (3.7–4.6), antaxial genual seta
1
ʺ 7.4 (7.4–8.4), tibia 3.7 (3.7–4.6); paraxial tibial seta
1
' 5.6 (4.6–5.6); tarsus 5.6 (5.1–5.6), paraxial fastigial tarsal setae
ft
ʹ 10.2 (10.2–11.2), antaxial fastigial tarsal seta
ft
ʺ 23.3 (19.6–23.3), paraxial unguinal tarsal seta
u
ʹ 3.7 (3.2–3.7), 4-rayed, tarsal empodium em 4.7 (4.1–4.7), tarsal solenidion ω 6.5 (6.1–6.5). Coxae I contiguous, 11.2 (11.2–12.1) long, ornamented with parallel lines between seta
1b
and seta
1a
, seta
1b
4.6 (4.6–5.6) and 9.2 (9.2–9.8) apart,
1a
tubercles with seta a little ahead of the line between the
2a
tubercles; seta
1a
12.1 (12.1–13.2) long and 9.2 (9.2–9.8) apart; the distance between setae
1a
and
1b
is 4.8 (4,8–5.2); coxa II 12.1 (12.1–13.0) and ornamented with wavy parallel lines just below the setae
2a
, seta
2a
25.2 (25.2–28.9) long and 22.8 (21.2–22.8) apart.
Opisthosoma
with 36 (32–36) dorsal annuli with a broad dorsal trough, flanked on either side with ridges, ventral annuli 61 (61–64). Ventral annuli microtuberculated on anterior margin of annuli whereas dorsal annuli devoid of microtubercles, dorsal annuli broader and larger than ventral annuli, seta
c2
14.0 (14.0–16.8) on annulus 11 (10–11), seta
d
48.5 (46.6–48.5) on ventral annulus 52 (23–25), seta
e
4.6
(4.6–5.6) on ventral annulus 39 (39–40), seta
f
14.9 (14.0–14.9) on ventral annulus 57 (57–59), seta
h1
4.6 (3.7–4.6), seta
h2
43.8 (42.0–43.8); last 9 (9–13) annuli micro striated.
Epigynium
almost triangular in shape, 13.0 (13.0–15.8) long and 22.4 (20.5–22.4) wide, with 14 scorings, seta
3a
36.2 (29.8–39.2).
MALE
: Not observed.
Type
material.
Holotype
: Female (marked) on slide (no.1434/85/2006),
India
: West Bengal: Dakshindinajpur, Doulatpur, Latitude: 25°10ʹ20ʺ N and Longitude: 88°14ʹ50ʺ E,
24 December
, 2006 from
Citrus maxima
(Rutaceae)
, Coll. S. Sarkar.
Paratypes
:
6 females
on slide bearing
holotype
and
72 females
on 7 slides (nos.
1435-1441
/ 85/2006); collection data same as in
holotype
.
Relation to host.
White, spindle form mites are found as vagrants on undersurface of leaf showing yellow spots on leaf under surface.
Etymology.
The specific epithet derived from ‘
Citrus
’ genus of the host plant, ‘
cola
’ from Latin ‘
Colus
’ meaning dwelling in or inhabitant.
Remarks:
Among the species of this genus having 4 rayed tarsal empodium the new species comes close to
P. daturae
Mohanasundaram & Ranganath, 1985
by longitudinal scorings on epigynium and to
P
.
comorensis
Keifer, 1974
by curved tarsal solenidion and similar epigynium. However, the new species differs from
P. d a t u r a e
by having ornamented coxal surface, presence of
h1
seta and dissimilar direction of scapular setae and from
P
.
comorensis
by dissimilar shield pattern and direction of scapular seta with tubercles. The new species also shows its closeness to
Phyllocoptruta oleivora
(Ashmead, 1879)
in sharing common host genus and by having similar body shape, opisthosomal trough, location and direction of scapular seta (upward and centrad), scoring on epigynium but differs from it by having 4 rayed tarsal empodium, presence of seta
h1
, smooth basal area of epigynium and the prodorsal shield pattern.