A new genus and three new species of Eviphididae (Acari: Mesostigmata) associated with scarab beetles in Iran
Author
Kazemi, Shahrooz
Author
Moraza, Mar A L.
Author
Kamali, Karim
Author
Saboori, Alireza
text
Zootaxa
2008
1852
1
20
journal article
10.5281/zenodo.183438
1ed8df60-beb9-4f57-9e8f-b6f91b54503e
1175-5326
183438
Cryptoseius khayyami
Kazemi & Moraza
sp. nov.
(
Figs 26–32
)
Diagnosis.
Adult female and male with 28–29 pairs of dorsal setae (17 podonotal and 11–12 opisthonotal), 19–20 pairs inserted on dorsal shield, three pairs on laterodosal elements (
s2
,
r2
and
r3
) and six pairs on lateral membranous integument; setae
j3
,
j4
,
j6
,
z2
,
z4
,
s4
,
s5
,
s6
,
S3
,
S4
and
S5
clearly longer, can be 12 times longer than
J5
; seta
JV5
more than 10 times longer than
J5
; setae
z2
approximately four times longer than setae
s2
; dorsum of male similar to that of female. Opisthonotal setae
J2
,
J3
,
Z2
and
Z5
absent. Peritreme extending from stigmata between coxae III–IV to middle region of coxae II.
Description. Female.
Idiosoma
. Length: 623–674, width: 414–476 (n=5).
Dorsal idiosoma
(
Fig. 27
). Dorsal shield ovoid (517–535 long, 302–324 wide) with posterior margin rounded; shield punctate, with a few antero-lateral striate; anterolateral incisions of dorsal shield reach beyond level of
z2
. Dorsal shield with 23 pairs of simple, smooth setae, heterogeneous in length; setae
j3
(127–137 long),
j4
(112–129),
j6
(87–109),
z2
(115),
z4
(141),
s4
(146),
s5
(145),
s6
(124),
S2
(136),
S3
(141) and
S5
(122) elongated;
j1
(27),
j2
(39),
j5
(17),
J1
(present or absent) =
J4
=
J5
(11),
z1
(13),
z5
(12),
Z3
and
Z4
as long as setae
J
series;
s2
(22),
r2
(56) and
r3
(45) on laterodosal elements; setae
r5
(38–54),
s6
,
R1
(38) and
R3-R5
(66–69) on lateral soft cuticle. Dorsal shield with 20 pairs of pore-like structures (eight podonotal, 12 opisthonotal), of which six (three podonotal, three opisthonotal) appear secretory (gland pores) and 14 (five podonotal, nine opisthonotal) non-secretory (lyrifissures); poroid
Rp3
,
idS4
and
idS5
on soft cuticle.
Ventral idiosoma
(
Fig. 31
). Tritosternum typical of genus (base 40 long, laciniae 90). Sternal shield (142 long, 136 wide at level of
st2
, 175 between coxae II and III) with a dense fine granulation; anterior and posterior margins irregular, three pairs of setae (
st1
and
st2
37 long and
st3
51) and three pairs of lyrifissures (the first and second diagonally oriented, third on posterior margin horizontally oriented) on the shield;
st4
(54) on soft cuticle, flanked by endopodal shields between coxae III and IV. Genital shield 144 long, 80 wide at level
st5
(64) located laterally on shield; positions of
iv5
and
gv2
as for genus. Opisthogaster with five pairs of simple setae,
JV1
(42),
JV2
(51),
JV5
(129),
ZV2
(43) and
ZV3
(32). Anal shield pear-shaped, 106 long,
ca
83 wide, para-anal setae 18 long, postanal seta 31; cribrum well developed. Metapodal and parapodal plates present. Peritrematal plates with gland pore
gp1
and one lyrifissure
ip1
(
Fig. 31
); poststigmatic gland pores
gp2
inserted on soft cuticle; peritremes extending to middle of coxae II, 172 long. Spermathecal apparatus without distinctly sclerotized structures, but usually with a discernible tube from solenostome on base of legs III to a narrow calyx.
FIGURES 27–30.
Cryptoseius khayyami
n. sp.. 27. Female, dorsal idiosoma; 28. Gnathotectum: (a) female, (b) male; 29. Distal end of tarsus IV, ventral view: (a) female, (b) male; 30. Male, dorsal idiosoma.
FIGURES 31–32.
Cryptoseius khayyami
n. sp.
31. Female, ventral idiosoma; 32. Male, ventral idiosoma.
Gnathosoma
. Subcapitulum and gnathotectum (
Fig. 28
a) typical of genus. Hypostomal setae simple and smooth,
h1
(25),
h2
(37),
h3
(18), and (20) long. Chelicera 148 long; movable chela 50 long and fixed chela 36; fixed digit with a large median and two small teeth, one subterminal and other one proximal. Pilus dentilis setiform and fine; dorsal seta small and near proximal lyrifissure; movable digit with one median tooth, with fringed hyaline process at its base.
Legs
. Leg chaetotaxy typical of genus. Ventral modified setae
av -1
on tarsi II–IV (
Fig. 29
a) 16 long. Length of legs as follows: leg I, 452 long; II, 397; III, 416 and IV, 541.
Male.
Idiosoma
. Dorsal shield: 465–503 long, 261–300 wide (n=2).
Dorsal idiosoma
(
Fig. 30
). Dorsal shield (460–471 long, 248–269 wide) densely covered with punctations. Dorsal chaetotaxy, adenotaxy and poroidotaxy similar to those of female. Lateral incisions reduced, reaching base of setae
r2
or
r3
.
Ventral idiosoma
(
Fig. 32
). Base of tritosternum 19 long, laciniae pilose and free 64 long; sternogenital shield 250 long, 85 wide at level of setae
st2
and 64 at level of setae
st5
, anteriorly densely covered with fine granulations, posteriorly, between setae
st5
, with dense punctuations, extending beyond the posterior border of coxae IV and fused with endopodal elements between coxae I–II, II–III and III–IV; setae
st1
and
st2
(20 long),
st3
(22),
st4
(26) and
st5
(33) thickened; genital opening on the shield (21 wide), anterior to setae
st1
. Ventral idiosomal adenotaxy and poroidotaxy similar to those of female;
JV5
(102) is longest ventral setae,
JV1
(25),
JV2
(23),
ZV2
(20) and
ZV3
(15); anal shield pear-shaped, 92 long, 62 wide. Parapodal and metapodal plates present.
Gnathosoma
. Gnathotectum triangular, slightly dentate (
Fig. 28
b); subcapitulum typical of genus. Length of hypostomal and capitular setae:
h1
, 20;
h2
, 33;
h3
, 13 and
c
, 16. Chelicera 115 long and 35 wide, movable chelae with two teeth (43 long) and fixed chela with a median tooth and 35 long; spermatodactyl 20 long; hyaline process indistinct.
Legs
. Legs chaetotaxy typical of genus. Length of legs I–IV: 317, 300, 304 and 402 respectively. Seta
av - 1
on tarsi II–IV modified and nearly conical, 11 long (
Fig. 29
b).
Deutonymph.
Idiosoma
. Length: 411–458, width: 288–326 (n=2).
Dorsal idiosoma
(
Fig. 26
). Dorsal shield (395–427 length, 200–231 width) with 21–22 pairs of setae; setae
j1
,
j2
,
j4
,
j5
and
j6
with 10–18 long,
j3
longer (26); setae
z1
,
z2
,
z5
,
s2
,
s4
and
s5
, respectively, 11, 31, 11, 13, 45 and 62 long; soft cuticle with
r2
,
r3
,
r5
,
s6
(15, 15, 19, 57 long respectively) in podonotal region and
R1
,
R3-R5
, on opisthonotal region (18, 16, 14, 61 long respectively). Dorsal idiosomal complement of lyrifissures and gland-pores similar to those of female.
Ventral idiosoma
. Tritosternal base 29 long; laciniae 83 long; sternal shield (188 long, 63 width at level of setae
st2
), with four pairs of setae (
st1
=18,
st2
=21,
st3
=21,
st4
=21) and three pairs of lyrifissures; setae
st5
(19) and paragenital lyrifissures inserted on soft cuticle at level of posterior margin of sternal shield. Endopodal shields between coxae II–III and III–IV, and parapodal present. Peritremes 120 long. Anal shield (81 long and 74 wide) pear-shaped, para-anal setae 19 and postanal seta 24 long; adanal gland pores inserted as in adults; cribrum well developed. Opisthogaster with five pairs of ventral setae:
JV1
,
JV2
,
ZV2
,
ZV3
(15–18 long) and
JV5
(61).
Gnathosoma
. Chelicera 107 long and 32 wide; movable chela 37 and fixed chela 28 long. Hypostomal setae
h1
(18),
h2
(38),
h3
(12) and capitular setae (13) smooth and simple.
Legs
. Pretarsi, claws, and chaetotaxy of legs I–IV similar to adult female;
av -1
thickened and tri-dentate, 12 long; length of legs I–IV, 300, 269, 258 and 335, respectively.
Material examined.
Holotype
. Female: NE
Iran
, Razavi Khorasan province, Torbat Heydarie, Feiz-Abad (
34º 57' 23" N
,
58º 45' 18" E
), altitude
895 m
, ex
Scarabaeus transcaspicus
,
5 May 2007
(deposited in
AETMU
).
Paratypes
.
27 females
,
3 males
, 5 deutonymphs, same data as
holotype
(deposited in
AETMU
);
2 females
,
1 male
, same data as
holotype
(deposited in MZUNAV);
1 female
, same data as
holotype
(deposited in
MZTU
).
Etymology.
The species is named in honour of the famous philosopher, astronomer, mathematician and poet of
Iran
, Omar Khayyam Neishaburi.
Notes.
Cryptoseius khayyami
differs from the
type
species
C
.
petrovae
Makarova,
1998
in the number of long dorsal setae in the
j
series in adults, four pairs in
C
.
petrovae
(
j3-j6
) and three pairs in
C
.
khayyami
sp. nov.
(
j3
,
j4
and
j6
) and in the relative length of several dorsal setae in deutonymphs:
r5
>
R1
,
R1
= 1/3
s6
,
S4
<
S5
= ½
S
3
in
C
.
petrovae
and
r5
<
R1
,
R1
= ½
s6
,
S4
=
S5
=
S
3
in
C
.
khayyami
sp. nov.