New species of Hypoaspis Canestrini and Coleolaelaps Berlese (Mesostigmata: Laelapidae) associated with Polyphylla olivieri Castelnau (Coleoptera: Scarabaeidae) in Iran
Author
Khanjani, Mohammad
Author
Ghaedi, Behnaz
Author
Ueckermann, Rd. A.
text
Zootaxa
2013
3745
4
469
478
journal article
10.11646/zootaxa.3745.4.4
a728d9ae-febc-4fa9-b031-d4f5a24ea503
1175-5326
223084
B0019B59-DADB-4B87-BBD4-9206F4A38ADF
Hypoaspis
(
Hypoaspis
)
surii
n. sp.
(
Figs 1–10
)
Diagnosis
. Posterior opisthosomal setae (
Z4
,
S5
,
R6
, and podonotal setae
j3
,
z4
,
s5
which are longest), undulate; anogenital setae
JV5
and
ZV5
long and undulate; epistome pointed anteriorly; tarsus IV with four macrosetae, genua III and IV with two macrosetae, femora II, III and IV also with macrosetae.
FEMALE
(n = 15). Length of dorsal shield 898 (809–903), width at level of setae
r5
493 (450–493).
Dorsum
(
Fig. 1
). Dorsal shield with 43 pairs of setae, lateral setae distinctly longer than dorso-central setae. All dorsal setae smooth except some posterior setae (
S5
,
Z4
,
Z5
and
J5
) which are slightly pilose. Shield anterolaterally almost smooth, opisthonotum reticulated marginally. Some lateral setae, especially posterior opisthosomal setae, undulate; setae
j3
238 (227),
z4
218 (163),
Z4
325 (325),
R6
200 (210),
s5
235 (245) longest. Opisthonotum with supernumerary setae
ZX1
and
ZX2
. Integument surrounding shield with six pairs of setae (
R1
–
6
) (
Fig. 1
). Peritremal shield not fused with dorsal shield anteriorly. Peritremes reach base of setae s2 (
Fig. 1
). Setae
j1
83 (87–85),
s1
83 (84–88),
z1
43 (43–47) and
J5
88 (85–88) are shortest.
Gnathosoma (
Figs 2–5
). Hypostomal groove with six rows of denticles, each row with 9–13 denticles. Hypostome with four pairs of setae, internal posterior hypostomatic setae (
h3
) the longest,
h1
43 (43–45),
h2
43 (43–50),
h3
113 (110–115),
pc
52 (48–53). Anterior margin of epistome pointed, triangular, with 10 or more denticles (
Fig. 5
). Fixed cheliceral digit with nine small and two large teeth (distal to pilus dentilis), pilus dentilis 10 (9–12) well developed, associated with a large posterior tooth (
Fig. 2
). Palp: 238 (237–2341) long; femur 1–1/ 0–0/0–0; genu 1–0/1–2/1–0; tibia 2–0/0–1/1–1, tarsus 1–0/0–2/1–1; palp apotele two–tined (
Fig. 4
).
Venter
(
Fig. 6
). Tritosternum biramous, laciniae pilose, length of tritosternum 245 (208–257) (
Fig. 6
). Presternal plates weakly lineate and lightly sclerotised. Length of sternal shield 148 (148–170), width 168 (158– 178), reticulate, with three pairs of sternal setae, a pair of slit-like pores posterior to st1 and a pair of large round or oval pores between setae
st2
to
st3
. Setae st4 on soft integument. Length of sternal setae
st1
53 (50–65),
st2
63 (62– 73),
st3
60 (58–63),
st4
55 (55–70),
st5
55 (50–59). Distances between sternal setae:
st1
–
st1
103 (93–103),
st2
–
st2
133 (125–133),
st3
–
st3
168 (158–178),
st4
–
st4
155 (150–165),
st5
–
st5
130 (125–153) and
st1
–
st3
143 (140–153). Genital shield tongue-shaped and reticulate, width 133 (128–139) at level of
st5
. Anal shield pear shaped, length 135 (110–135), width 100 (100–125), punctate posteriorly and smooth anteriorly, with three circumanal setae. Para-anal setae longer than post-anal seta, almost in line with posterior margin of anal opening (
Fig. 6
). Peritremal shields free, with posterior incision (
Fig. 6
). Opisthogaster with 11 pairs of smooth setae, setae
ZV5
and
JV5
the longest, length of opisthogastric setae
JV1
68 (58–82),
JV2
88(82–107),
JV3
80 (74–82),
JV4
193 (188–195),
JV5
251 (249–253),
ZV1
81 (75–81),
ZV2
120 (108–130),
ZV3
90 (83–108),
ZV4
193 (188–195),
ZV5
220 (193–245) and
JV5
and
ZV5
the longest; setae
JV4
–
5
and
ZV4
–
5
undulate; three pairs of metapodal shields, two elongate and one small and rounded, all posterior to coxae IV.
FIGURES 1–7.
Hypoaspis surii
n. sp.
, female. 1. Dorsal idiosoma; 2. Chelicera; 3. Hypostome; 4. Palp tarsal claw; 5. Epistome; 6. Ventral idiosoam; 7. Spermatheca.
FIGURES 8–10.
Hypoaspis surii
n. sp.
, female. 8. Leg II; 9. Leg III; 10. Leg IV.
Spermatheca
(
Fig. 7
). Sacculus squarish, ramus very short and tube-like, with tubulus very slender and long, with conspicuous opening on coxae III.
Legs
(
Figs 8–10
). Leg IV longest, longer than dorsal shield. Leg I slender, with ambulacral claws smaller than those of other legs. Leg II stouter than other legs, with spine-like setae on tarsus and tibia, leg III with spine-like setae on genu. Chaetotaxy as recorded for free-living laelapids (Evans, 1963); femora (II) 2, 2/1, 2/1, 1, (III) 1, 2/1, 1/0, 1, (IV) 1, 2/1, 1/0, 1; genua (II) 2, 3/1, 3/1, 1, (III) 2, 2/1, 2/1, 1, (IV) 2, 2/1, 3/0, 1; tibiae (II) 2, 2/0, 2/2, 2, (III) 2, 1/1, 2/1, 1, (IV) 2, 1/1, 3/1, 2; tarsi (II) 3, 3/2, 3/2, 3 + md + mv, (III) 3, 3/2, 3/2, 3 + md + mv, (IV) 3, 3/2, 3/2, 3 + md + mv. Femur II, III and IV each with one macroseta, genu III and IV each with two macrosetae; tarsus IV with four macrosetae (
Figs 8–10
). Length of leg I (coxae to tip of ambulacrum) 943 (805–968), leg II 712 (648– 813), leg III 763 (743–838) and leg
IV 1075
(
1000–1163
). Length of macrosetae: femur II setae
pd1
260 (240– 260), femur III
ad1
255 (228–260), femur IV
ad1
388 (375–403), genu III [
ad1
125 (113–112),
pd1
114 (110– 120)], genu IV [
ad1
240 (225–243),
pd1
198 (160–198)]; tarsus IV with four macrosetae [
ad2
setae 215 (213–218),
ad3
setae 208 (210–218),
pd2
setae 235 (230–247),
pd3
setae 220 (220–223)] (
Fig. 10
) and tarsi I–II and III without macrosetae.
Remarks
. The new species is similar
to
H
.
polyphyllae
in general appearance but differs from the latter as follows: dorsum with 43 pairs of setae in
H
.
surii
n. sp.
compared with 35 pairs in
H
.
polyphyllae
; setae
Z4
325 (325),
j3
238 (227),
s5
235 (245),
z4
218 (163),
R6
200 (210) longest in the new species but only
Z4
331(277–370) longest in
H
.
polyphyllae
; setae
r2
–
3
,
UR
absent in the new species but present in
H
.
polyphyllae
; opisthogaster with 11 pairs of setae in the former while nine pairs in the latter; opisthogastric setae
JV5
251 (249–253) and
ZV5
220 (193–245) much longer and more undulate than those of
H
.
polyphyllae
; epistome pointed and with 10 denticles in the new species versus subtriangular and with six denticles in
H
.
polyphyllae
; fixed cheliceral digit with nine small denticles in the former but seven in the latter; genu III and IV each with two macrosetae in
H
.
surii
versus no macrosetae on genu III and one on IV in
H
.
polyphyllae
; tarsus IV with four macrosetae in
H
.
surii
opposed to three macrosetae in
H
.
polyphyllae
.
According to Karg (1979, 1993) and Costa (1971),
H
.
surii
n. sp.
resembles
H
.
integer
in the number of opisthogastric setae and subcapitular setae, and three long opisthocaudal setae. However it differs from
H
.
integer
in that the dorsum has 43 pairs of setae in
surii
and
36–37 in
H
.
integer
; setae
Z4
325 (325),
j3
238 (227),
s5
235 (245),
z4
218 (163),
R6
200 (210) longest in the new species whereas only
Z4
(280) in
H
.
integer
and with
Z3
absent; opisthogastric setae
JV5
251 (249–253) and
ZV5
220 (193–245) long and undulate in
H
.
surii
vs. only
ZV5
long and undulate in
H
.
integer
; epistome pointed and with ten denticles on margin in new species versus triangular and with 24 denticles in
H
.
integer
; fixed digit with nine small denticles in new species but ten in
H
.
integer
; tarsus IV with four macrosetae in
H
.
surii
but two in
H
.
integer
; femur and genu III and IV with spine–like setae in new species versus none in
H
.
integer
.
Etymology
. This species is named in honour of Mr. Ghobad
Surii
, Department of Agriculture of Hamedan,
Iran
, who kindly helped senior author in collecting the mites.
Type
material
.
Holotype
female and 14
paratype
females from
Polyphylla olivieri
Castelnau
(
Coleoptera
:
Scarabaeidae
) from potato farms at Bahar, Hamedan Province,
Iran
,
26 July 2007
, coll. Ghobad
Surii
.