Laogone bai, Zhao, Qingyuan & Li, Shuqiang, 2014

Zhao, Qingyuan & Li, Shuqiang, 2014, A survey of linyphiid spiders from Xishuangbanna, Yunnan Province, China (Araneae, Linyphiidae), ZooKeys 460, pp. 1-181 : 23

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 ‘bái’, 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.