On some Linyphiidae of China, mainly from Taibai Shan, Qinling Mountains, Shaanxi Province (Arachnida: Araneae)
Author
Tanasevitch, Andrei V.
text
Zootaxa
2006
1325
277
311
journal article
10.5281/zenodo.273569
a1367ba3-36b0-4cd4-9ce4-213ef0e4d62f
11755326
273569
Asthenargus conicus
sp. n.
Figs 35–38
Material
.
Holotype
♂ (
SMF
),
China
, Quinghai Prov., Bei Shan National Park,
120 km
NE Xining,
2300–2700 m
,
23.V.–8.VI.1996
, leg. J. Martens.
Paratypes
: 4 Ψ (
SMF
), together with
holotype
.
Diagnosis
. The new species seems to be most closely related to the Middle Asian
A
.
edentulus
Tanasevitch 1989
, but differs clearly by the expanded clublike tibial lateral process (narrow and pointed in
A
.
edentulus
), as well as by the strongly protruding, conical epigyne.
Etymology
. The species name describes the shape of the epigyne; adjective.
Description
. Male. Total length––1.83. Carapace 0.90 long, 0.75 wide, unmodified, pale reddish brown. Chelicerae 0.38 long. Legs pale yellowish red. Leg I, 2.57 long (0.73+0.23+0.65+0.53+0.43), IV––2.56 long (0.75+0.23+0.65+0.55+0.38). Chaetotaxy 2.2.2.1. Mt I–III each with a trichobothrium. TmI––0.32. Palp (Figs 35, 36): Tibia with a dark, lateral, distally knobbed process. Suprategular apophysis elongated, stout, rounded distally. Embolus black, highly sclerotised. Opisthosoma 1.00 long, 0.63 wide, grey.
Female. Total length––2.75. Carapace 1.20 long, 0.88 wide. Chelicerae 0.50 long. Leg I, 3.44 long (0.98+0.30+0.88+0.78+0.50), IV––3.56 long (1.03+0.33+0.90+0.80+0.50). TmI––0.38. Opisthosoma 1.58 long, 1.13 wide. Epigyne (Figs 37, 38) strongly protruding, conical. Body and leg colouration, chaetotaxy as in male.