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
49118
10.5281/zenodo.183438
1ed8df60-beb9-4f57-9e8f-b6f91b54503e
1175-5326
183438
Metacryptoseius persicus
Kazemi & Moraza
sp. nov.
(
Figs 1–15
)
Diagnosis.
Dorsal shield elongate-oval with irregular lateral and posterior margins, slightly narrowed posteriorly; dorsal setal length of adults and nymphs slightly variable; setae
JV5
nearly five times longer than
J5
and
Z
5
in female;
s2
approximately equal in length with
z2
and slightly longer than
j3
;
j2
three times longer than
z1
; dorsal characters of adult male like those of female, except
JV5
, that is shorter, nearly twice longer than
J5
and other setae subequal in length. Sternal setae
st2
shorter than distance to
st3
. Peritreme terminates between coxae I and II or anterior to margin of coxae II. Anal shield pear-shaped.
Description. Female.
Idiosoma
. Length: 620–753, width: 483–516 (n=5).
FIGURES 1–3.
Metacryptoseius persicus
gen. nov.
, sp. nov.. Protonymph. 1. Dorsal idiosoma; 2. Ventral idiosoma; 3. Gnathotectum.
Dorsal idiosoma
(
Fig. 6
). Dorsal shield 644–647 long, 390–411 wide, with striations antero-laterally, elongate-oval, with irregular margins and 26 pairs of simple and smooth setae: setae
z2
(45) and
s2
(41) subequal in length;
j2
(53) approximately three times longer than
z1
(20);
j2
>
j3
(28–34 long); opisthonotal central setae are shortest (16–18 long); longest dorsal setae not more than three times longer than
J5
(16 long); setae on soft cuticle,
r5
(ca 42),
s6
(47),
R1
(29),
R3
(42),
R4
(38),
R5
(42–50). Anterolateral incisions of dorsal shield reaching to level of setae
j3
. Dorsal poroidotaxy and adenotaxy typical of genus.
Ventral idiosoma
(
Fig. 10
). Tritosternal base 33 long, laciniae 90 long; sternal shield granulated and reticulate-striate anteriorly (174 long, 130 wide at level of setae
st2
), with posterior margin almost straight, bearing setae
st1
(41),
st2
(52),
st3
(51) and two pairs of lyrifissures, first pair oriented diagonally, but not always stable;
st4
(55) and third pair of sternal lyrifissures on minute metasternal plates (
Fig. 11
). Genital shield (160 long, 101 wide at level of genital setae) as defined in genus, with convex posterior margin;
st5
58 long. Opisthogaster with five pairs of simple setae:
JV1
(48),
JV2
(46),
JV5
(70),
ZV2
(36) and
ZV3
(30). Peritremes 257 long. Anal shield narrow, pear-shaped, with rounded anterior margin (132 long, 101 wide); para-anal setae 32 long, postanal 49 long.
FIGURES 4–5.
Metacryptoseius persicus
gen. nov.
, sp. nov.. Deutonymph. 4. Dorsal idiosoma; 5. Ventral idiosoma. Setae added to protonymphal complement denoted without parentheses.
Gnathosoma
. Gnathotectum triangular, with slightly serrate margin (
Fig. 8
); subcapitulum typical for genus (
Fig. 7
). Hypostomal (
h1
,
h2
,
h3
) and capitular setae simple and smooth, 23, 39, 20 and 20 long respectively. Corniculi wide and stout, 36–38 long. Chelicerae 174 long and 37 wide, with movable digit (63 long from tip to base) longer than fixed digit (44 long from tip to the dorsal lyrifissure) (
Fig. 9
).
Legs
. Leg chaetotaxy typical for genus;
av -1
(18 long) thickened and three dentate apically; legs I–IV lengths, 461, 404, 413 and 532 respectively.
Male.
Idiosoma
. Length: 609–639, width: 425–446 (n=3).
Dorsal idiosoma
(
Fig. 12
). Dorsal shield 593–620 long, 360–382 wide. Dorsal characters similar to female, but lengths of setae vary, setae
S4
are off shield; podonotal setae 23–32 long (except
z1
=12,
j1
=19,
z2
=46>
s2=
32); opisthonotal setae 14–27 long;
J5
14 long.
Ventral idiosoma
. Tritosternal base shorter than that of female (19 long), laciniae 94 long; sternogenital shield (303 long, 120 wide at level of
st2
and 70 at level of
st5
) with anterior half reticulate, remainder evenly granulate, except area between setae
st5
which is finely punctate, with setae
st1
,
st2
,
st3
,
st4
,
st5
thickened (38, 37, 39, 34, 37 long respectively) and three pairs of lyrifissures; genital opening 31 wide. Peritremes longer than those of female (270 long). Ventral adenotaxy and poroidotaxy as in female;
JV5
(36–39 long) shorter than those of female, almost twice
J5
; ventral setae
JV1
(30) and
JV2
(33) longer than
ZV2
(24) and
ZV3
(13 long); anal shield pear-shaped, 130 long and 111 wide.
FIGURES 6–9.
Metacryptoseius persicus
gen. nov.
, sp. nov., Female. 6. Dorsal idiosoma; 7. Subcapitulum; 8. Gnathotectum; 9. Chelicera, latero-antiaxial view.
Gnathosoma
. Curniculi with rounded tips (
Fig. 14
); chelicera 157 long, 40 width; fixed chela 29 long, movable chela 52 long; spermatodactyl 18 long (
Fig. 13
).
Legs
. Chaetotaxy typical of genus. Tarsal seta
av -1
(10 long) approximately conical, bifid; tarsal seta
pv -1
with basal third broad and rest very slender (
Fig. 15
). Length of legs I-IV, 385, 385, 400 and 470 respectively.
Deutonymph.
Idiosoma
. Length: 471–523, width: 323–349 (n=4).
Dorsal idiosoma
(
Fig. 4
). Dorsal shield (465–483 length, 259–271 width) finely punctate, with 24 pairs of setae; setae
j1-j
6
18-25 long; setae
z1
11 long,
z
2
16-22,
z4
,
z5
,
s2
and
s4
16 and
s5
19 long; soft cuticle with setae
r2
=
r3
=
r5
=
s6
(26 long) in podonotal region and setae
R1
(10-19),
R3-R5
(16) and sometimes
S4
(16) in opisthonotal region; setae on opisthonotal region 12-13 long (setae
J
and
Z
) and 20 long (setae
S
).
Ventral idiosoma
(
Fig. 5
). Tritosternal base
ca
39 long, laciniae
ca
65 long; sternal shield with four pairs of setae (
st1
=
st2
=
st3
, 35-36 long and
st4
25 long), three pairs of lyrifissures; setae
st5
(22 long) and paragenital lyrifissures
iv5
inserted on soft cuticle at level of posterior margin of the shield. Endopodal shields present between coxae II-III and coxae III-IV present. Opisthogaster with five pairs of ventral setae
JV1
(29),
JV2
(22),
JV5
(28),
ZV2
(18) and
ZV3
(16). Peritreme extending to posterior margin of coxae I, 247 long; peritrematal shield originating opposite middle of coxae I, with
ip1
on anterior edge of peritrematal shield and glands
gp1
situated mediad to peritreme, between coxae II and III; poststigmatic glands
gp2
on soft cuticle. Anal shield subtriangular (81 long, 101 wide).
FIGURES 10–15.
Metacryptoseius persicus
gen. nov.
, sp. nov. 10. Female, ventral idiosoma; 11. Female, metasternal elements; 12. Male, dorsal idiosoma; 13. Male, cheliceral digits and spermatodactyl: (a) ventral view, (b) dorsal view of movable digit; 14. Male, corniculus, dorsal view; 15. Male, tip of tarsus IV, ventral view.
Gnathosoma
. Gnathotectum, subcapitulum and deutosternum typical of genus; corniculi with pointed tips and wide bases; movable digit of chelicerae 45 long, fixed digit (from dorsal lyrifissure) 32 long.
Legs
. Pretarsi, claws, and chaetotaxy of legs I-IV as those of adult female. Length of legs I-IV: 361, 318, 333 and 376 respectively. Seta
av -1
(14 long) on tarsi II-IV modified like in female.
Protonymph.
Idiosoma
. Length: 510, width: 293.
Dorsal idiosoma
(
Fig. 1
). Dorsum with sclerotized podonotal (294 long, 258 wide) and opisthonotal (161 long, 242 wide) shields with punctate cuticle. Central opisthonotal setae
ca
10 long; other dorsal setae longer (14–19 long).
Ventral idiosoma
(
Fig. 2
). Tritosternum with smooth base (46 long) and free pilose laciniae (61 long). Sternal shield with indistinct outline; setae
st1
,
st2
,
st3
smooth, 20–22 long;
st5
14 long; ventral setae with larval complement of smooth setae
JV1
,
JV2
,
JV5
and
ZV2
(14–20 long); pores
gv2
close to posterior margin of coxa IV. Anal shield (74 long, 56 wide) pear-shaped, with rounded anterior margins; circum-anal setae as other ventral setae. Peritreme (43 long) and peritrematal shield short and extending to posterior margin of coxae III or anterior margin of coxae IV.
Gnathosoma
. Gnathotectum triangular, serrate (
Fig. 3
); length of chelicera 93, width 32; fixed chela 24 long; movable chela 35 long.
Legs
. Leg chaetotaxy typical of genus. Seta
av -1
(10 long) on tarsi II–IV modified. Length of legs I, II, III and IV 285, 242, 251 and 279 respectively.
Material examined.
Holotype
. Female. NE
Iran
, North Khorasan province, Esfarayen (
36º 55' 29" N
,
57º 44' 08" E
), altitude
1,471 m
, ex
Scarabaeus transcaspicus
,
26 June 2007
[deposited in Acarological Collection, Department of Entomology, Faculty of Agriculture, Tarbiat Modares University, Tehran,
Iran
(
AETMU
)].
Paratypes
.
27 females
,
7 males
, 14 deutonymphs, 1 protonymph, same locality and host data as
holotype
(deposited in
AETMU
);
2 females
,
1 male
, 1 deutonymph, same data as
holotype
[deposited in Museum of Zoology, Navarra University, Pamplona,
Spain
(MZUNAV)];
2 females
: NE
Iran
, Razavi Khorasan province, Sarakhs, Bazangan Lake (36º 18' 549" N, 60º 29' 061" E), altitude
858 m
, ex
Copris hispanus
,
5 May 2007
(deposited in
AETMU
);
31 females
,
5 males
and 2 deutonymphs, same locality data as previous specimens, but from
Scarabaeus transcaspicus
(deposited in
AETMU
);
1 female
,
1 male
, with same locality and host data as latter
paratypes
[deposited in Museum of Zoology, Tehran University, Karaj,
Iran
(
MZTU
)].
Etymology.
The species epithet “
persicus
” refers to the Latin name of
Iran
, the country of origin of this species.