Review of the fur-mite genus Soricilichus Fain, 1970 (Acariformes: Chirodiscidae) — symbionts of the African shrews of the subfamily Crocidurinae (Soricomorpha: Soricidae)
Author
Bochkov, Andre V.
Author
Mbalitini, Sylvestre G.
Author
Verheyen, Erik
text
Zootaxa
2016
4072
2
235
253
journal article
46867
10.11646/zootaxa.4072.2.6
9571f077-7802-4d09-89e4-05c69bc6e9ea
1175-5326
270676
53CBC016-0CCD-42FA-89E6-F2F904CAFA5A
Soricilichus scutisorex
Fain, 1970
(Figs. 1–10)
Soricilichus scutisorex
Fain, 1970
: 300
, 1971: 195
, figs. 239–241, 244, 245;
Bochkov 2010
: 239
.
Diagnosis
.
Both sexes
: setae
cp
longer than 70 (Figs. 1, 5). Setae
c3
and
cp
situated on sclerotized parts of coxal fields III (Figs. 1, 5).
Male
: hysteronotal shield with slightly convex anterior margin (Fig. 1A). Adanal sclerite distinctly developed, with large median concavity (
Fig. 2
A, B). Ventro-lateral membranes of opisthosoma with widely rounded posterior angles (
Fig. 2
B).
Female
: setae
h
2
9–10 long (
Fig. 6
A).
Description
. MALE (
10 specimens
, Figs. 1–4). Body 325–345 long and 85–100 wide in lateral position at level of setal bases
cp
. Propodonotal shield 40–48 long. Idiosomal dorsum with 12–14 transverse striae. Setae
c3
and
cp
situated on sclerotized parts of coxal fields III. Hysteronotal shield 63–75 long, with only slightly convex anterior margin. Setae
d1
situated immediately anterior to or at anterior margin of this shield. Lengths of idiosomal setae:
cp
85–100,
c2
and
d2
7–8, and
h
2
25–30. Aedeagus about 11 long. Adanal sclerite distinctly developed, with large median concavity about 20 deep. Posterior angles of ventro-lateral opisthosomal membranes widely rounded. Legs III 125–130 long, legs
IV 60
–65 long, tarsi
III 30–33
long, tarsi
IV 18–20
long. Lengths of solenidia:
φ
III 35
– 38,
φ
IV 20–25
, and
σ
III 2–3.
FEMALE (
10 specimens
,
Figs. 5–7
). Body 450–470 long and 95–110 wide in lateral position at level of setal bases
cp
. Propodonotal shield 45–50 long. Idiosomal dorsum with 27–29 transverse striae. Setae
c3
and
cp
situated on sclerotized parts of coxal fields III. Lengths of idiosomal setae:
cp
70–90,
c2
,
d2
,
ps3
7–8, and
h
2
9–10. Legs III and legs IV about 85 long, tarsi III and tarsi IV about 27 long. Lengths of solenidia:
φ
III about 25,
φ
IV about 5,
σ
III 2–3.
Type
material
. Male
holotype
(
MRAC
139976),
1 male
paratype
(
MRAC
139976) and
3 female
paratypes
(
ZISP
AVB
13-0129-025) from
Scutisorex
somereni
(Thomas), (=syn.
congicus
), (Soricimorpha:
Soricidae
:
Crocidurinae
),
DEMOCRATIC REPUBLIC OF CONGO
: Eastern Province, Ibembo,
02°38’58”N
,
23°37’53”E
, coll. A. Fain.
FIGURE 7
.
Soricilichus scutisorex
Fain, 1970
, SEM photos of female. A—dorsal view; B—lateral view; C—posterior end of opisthosoma in frontal view; D—gnathosoma in dorsal view.
Non-type material
. Ex
Scutisorex
somereni
from
DEMOCRATIC REPUBLIC OF CONGO
:
1 male
(
ZISP
AVB
13-0129-027), (host L 1342), Kivu Nord Province, Irangi,
01°53'S
,
28° 27'E
,
8 November 1968
, coll. U. Rahm;
1 female
(
ZISP
AVB
13-0129-026), (host IR 123), same data as previous,
19 October 1969
, coll. U. Rahm;
6 males
,
5 females
(
ZISP
AVB
15-3010-004), (host CRT 0708), Eastern Province, Kisangani, Jafira-Djabir,
1 June 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-005), (host CRT 0642), Eastern Province, Kisangani, Jafira-Djabir,
31 May 2010
, coll. S.G. Mbalitini
et al.
;
4 males
,
6 females
(
ZISP
AVB
15-3010-006), (host CRT 0707), Eastern Province, Kisangani, Jafira-Djabir,
1 June 2010
, coll. S.G. Mbalitini
et al.
;
6 males
,
14 females
(
ZISP
AVB
15-3010-007), (host CRT 0431), Eastern Province, Kisangani, Bomane,
22 May 2010
, coll.
FIGURE 8
.
Soricilichus scutisorex
Fain, 1970
, larva. A—dorsal view; B—ventral view; C—leg I in ventral view; D—leg II in ventral view; E—tibia-tarsus III in ventral view. Scale bars: A, B = 50 µm; C—E = 25 µm.
FIGURE 9
.
Soricilichus scutisorex
Fain, 1970
, nymphs. A—protonymph in dorsal view; B—same in ventral view; Ctritonymph in ventral view. Scale bars: A, B = 50 µm; C = 25 µm.
FIGURE 10
.
Soricilichus scutisorex
Fain, 1970
, SEM photos. A—attached male and tritonymph in lateral view; B—same in ventral view; C—anterior end of body in tritonymph in ventral view; D—posterior ends of attached male and tritonymph in ventral view.
S.G. Mbalitini
et al.
;
10 males
,
10 females
(
ZISP
AVB
15-3010-008), (host CRT 0393), Eastern Province, Kisangani, Bomane,
22 May 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-009), (host CRT 0663), Eastern Province, Kisangani, Lieki-Island,
1 June 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-010), (host CRT 00681), Eastern Province, Kisangani, Lieki-Yoko,
2 June 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-011), (host CRT 0752), Eastern Province, Kisangani, Yoko, date unknown, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-012), (host LEG 3521), Eastern Province, Kisangani, Yoko, date unknown, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15- 3010-013), (host LEG 3553), Eastern Province, Kisangani, Yoko, date unknown, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-014), (host LEG 3570), Eastern Province, Kisangani, Yoko, date unknown, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-015), (host CRT 0088), Eastern Province, Kisangani, Yaikela,
5 May 2010
, coll. S.G. Mbalitini
et al.
;
3 males
,
5 females
(
ZISP
AVB
15-3010-016), (host CRT 0097), Eastern Province, Kisangani, Yaikela,
6 May 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
4 females
(
ZISP
AVB
15-3010-017), (host CRT 0098), Eastern Province, Kisangani, Yaikela,
6 May 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-018), (host
MKSG
061), North Kivu Province, Kasugho,
25 June 2010
, coll. S.G. Mbalitini
et al.
;
23 males
,
18 females
(
ZISP
AVB
15-3010-019), (host
JKSG
302), North Kivu Province, Kasugho,
24 July 2010
, coll. S.G. Mbalitini
et al.
;
3 males
,
6 females
(
ZISP
AVB
15-3010-020), (host
JKSG
358), North Kivu Province, Kasugho,
30 July 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-021), (host CRT 0477), Eastern Province, Kisangani,
23 May 2010
, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-022), (host LEG 1955), Eastern Province, Kisangani, date unknown, coll. S.G. Mbalitini
et al.
;
5 males
,
5 females
(
ZISP
AVB
15-3010-023), (host R 27992), Bandudu, Masako,
03°00'41''S
,
18°21'42''E
, coll. S.G. Mbalitini
et al.
Ten females and
10 males
in
MRAC
, other vouchers in
ZISP
and
UMMZ
.
Hosts and distribution
. This species was described from
Scutisorex
somereni
from DR of
Congo
(
Fain 1970
,
1971
) and had not been recollected since the original finding. We collected this species from the
type
host from various localities in DR of
Congo
(present paper).