A survey of linyphiid spiders from Xishuangbanna, Yunnan Province, China (Araneae, Linyphiidae)
Author
Zhao, Qingyuan
Author
Li, Shuqiang
text
ZooKeys
2014
460
1
181
http://dx.doi.org/10.3897/zookeys.460.7799
journal article
http://dx.doi.org/10.3897/zookeys.460.7799
1313-2970-460-1
EE2B47095F5C49619CEF081BA2CDFB2F
EE2B47095F5C49619CEF081BA2CDFB2F
Taxon classification Animalia Araneae Linyphiidae
Laogone bai
sp. n.
Figs 50, 51
Types.
Holotype ♂, CHINA, Yunnan:
Meng'a
Town: Wengnan village: Xishuangbanna Nature Reserve,
22°05.002'N
,
100°22.009'E
, elevation ca 1118 m, 30.07.2007, secondary seasonal rain forest, fogging.
Etymology.
This
species's
name is derived from the Chinese Pinyin
'bai'
, meaning
'white'
, which refers to the color of the
holotype's
body; term in apposition.
Diagnosis.
This species is similar to the type species
Laogone cephala
, but differs by the long and pointed dorsal tibial process, and the slimmer membrosclerum.
Description.
Male (holotype). Total length: 1.75. Carapace 0.75 long, 0.63 wide, pale, elevated into a lobe carrying posterior eyes. Sternum 0.44 long, 0.44 wide. Clypeus 0.16 high. Chelicerae promargin with 4 teeth, retromargin with 3 teeth. Eye sizes and interdistances: AME 0.04, ALE 0.06, PME 0.05, PLE 0.06, AME-AME/AME 0.40, PME-PME/PME 1.23, AME-ALE/ALE 0.38, PME-PLE/PLE 1.02, coxae IV separated by 1.58 times their width. Length of legs: I 3.34 (0.81, 0.25, 0.94, 0.86, 0.48), II 3.40 (0.88, 0.20, 0.90, 0.86, 0.56), III 2.50 (0.70, 0.25, 0.50, 0.66, 0.39), IV 3.05 (0.80, 0.20, 0.80, 0.80, 0.45). Leg formula: II-I-IV-III. Tm I 0.80, Tm IV 0.79. Tibial spine formula: 2-2-1-1. Abdomen pale, with a black tip near spinnerets. Palp: retrolateral tibial apophysis lobe-like, with a row of spines along the margin (Fig. 50B,), dorsal tibial apophysis long,
'7'
-shaped, with a pointed tip (Fig. 51A). Paracymbium with a process (Fig. 50A). Convector present. Membrosclerum
'C'
-shaped in ventral view (Fig. 51B), slim and attenuated at distal end; median membrane long and narrow, stretching along the proximal part of embolic division (Fig. 50
A-B
). Embolus whip-like, forming two loops (Fig. 51B).
Female. Unknown.
Distribution.
Known only from type locality.