A revision of the Pediacus Shuckard 1839 (Coleoptera: Cucujidae) of Asia and Australasia
Author
Marris, John W. M.
Author
Ślipiński, Adam
text
Zootaxa
2014
2014-01-13
3754
1
32
58
journal article
http://dx.doi.org/10.11646/zootaxa.3754.1.2
f435fbaf-802a-4202-92ff-6d69aa405739
1175-5326
252769
D873973D-A4F5-455F-83DD-4B3E564DB630
Pediacus sinensis
Marris & Ślipiński
,
sp. nov.
Figs.
9
A–D.
Diagnosis.
Recognisable by the combination of the following characters: body with head and disc of pronotum distinctly darker in colouration, eyes small and weakly projecting, ocular denticle present; male genitalia with short, globular parameres.
Description. Body
length
3.8–4.2 mm
(n=
7
), elongate,
3.04
× longer than wide; colour red-brown, often with basal half of head and disc of pronotum distinctly darker; pubescence long, pale appressed and conspicuous; surface moderately glossy.
Head
transverse,
1.77
× wider than long; puncturation weakly impressed and sparse medially, increasing in size and density laterally with punctures separated by about their diameter; setae long and appressed, conspicuous; microsculpture absent, surface glossy; eyes small, weakly projecting, ocular index
0.75
, finely faceted, distinct postocular denticle present, often weakly developed; antennae as in
Fig.
9
B, antennomere VII larger than VI and VIII.
Pronotum
transverse,
1.28
× wider than long, widest at about anterior
1
/
3
, sides subparallel; lateral margins explanate and reflexed, anterior and antero-medial denticles small and broadly obtuse, postero-medial and posterior denticles more prominent, narrowly obtuse to acute; disc moderately to weakly impressed; puncturation, setation and microsculpture as for head, impunctate median strip faintly visible in basal
1
/
3
to absent.
Elytra
elongate,
2.09
× longer than wide, sides subparallel, epipleura weakly explanate; puncturation moderately dense but weakly impressed basally, becoming more dense laterally; setation long, appressed and conspicuous; microsculpture coriaceous.
Genitalia
for male as in
Fig.
9
D, parameres small, globular and strongly narrowed basally; internal sac with faint tooth-like projections basally and a strongly sclerotized apical section.
Type
material.
Holotype
(
male
): “
CHINA
,
YUNNAN
prov.
18.6
.–
4.7.1993
HEISHUI =
35km
N Lijiang 27
, 13 N; 100, 19 E lgt.
S. Becvar
// HOLOTYPE
Pediacus sinensis
Marris & Ślipiński
2013
”. Specimen on card point with genitalia mounted in DHMF on card below; deposited in
NHMB
.
Paratypes
.
CHINA:
CHINA
,
YUNNAN
prov.
18.6
.–
4.7.1993
HEISHUI =
35km
N Lijiang 27
, 13 N; 100, 19 E lgt.
S. Becvar
(
7
,
NHMB
);
CHINA
,
YUNNAN
prov.
1
.–
19.7.1992
HEISHUI
35km
N LIJIANG 27
, 13N; 100, 19E lgt.
S. Becvar
(
5
,
NHMB
);
China
Yunnan
,
1800m
LIJIANG
23.6
.–
21.7
.
26.53
N
100.18
E
lgt.
S. Becvar
1992
(
2
,
NHMB
);
CHINA
, NW. YUNNAN prov., Baishuitai (San Ba terrasses [
sic
])
2600m
,
4–6
.VI.
2006
S. Murzin & I. Shokhin leg. (
1
,
SMNS
);
CHINA-Yunnan
24
.–
29.6
.
50
km N Lijiang,
1993
Yulongshan Nat. Res. E. Jendek & O. Sausa leg. (
3
,
NHMW
);
CHINA
, Sichuan prov.,
50 km
W Dayi, Xiling Shan
2300 m
,
5
.–
8
.V.
2006
, leg. S. MURZIN & I. SHOKHIN (
3
,
SMNS
);
CHINA
: Border Shaanxi–Sichuan (Daba Shan), pass
20 km
SSE Zhenping,
1700–1800 m
,
31
˚
44
' N,
109
˚
35
' E,
12
.VII
2001
, leg. M. Schülke, mixed forest, small creek valley, moss, bark (sifted) [C01-07C] (
1
, CRS);
China
Yunnan,
1–19
.VII.
HEISHUI
27.13
N
100.19
E
35 km
N of Lijiang lgt. S. Becvar
1992
(
1
, CRS).
Distribution.
China
(Yunnan, Sichuan, Shaanxi Provinces).
Etymology.
This species is named for its place of origin,
China
.