Taxon classification Animalia Araneae Agelenidae

Sinocoelotes mahuanggouensis Zhao & Li sp. n. Figs 13, 21

Type material.

Holotype ♀: China: Sichuan Province: Baoxing County, Fengtongzhai Nature Reserve, Mahuang valley, under stones, N30°49'27", E102°44'16", 2440 m, 27.IX.2005, X. Zhang and X. Xu.

Etymology.

The specific name refers to the type locality; adjective.

Diagnosis.

The female can be easily distinguished from other Sinocoelotes gen. n. species by the short, wider than long, triangular epigynal teeth, the pear-shaped atrium, the sickle-shaped copulatory ducts, the long and clavate spermathecal heads (Fig. 13 A–B).

Description.

Female. Total length 11.80. Carapace 5.77 long, 3.97 wide. Abdomen 6.03 long, 3.85 wide. Eye sizes and interdistances: AME 0.26, ALE 0.25, PME 0.21, PLE 0.24; AME-AME 0.11, AME-ALE 0.09, PME-PME 0.23, PME-PLE 0.34. Leg measurements: I 17.56 (4.74, 5.96, 4.17, 2.69); II 15.75 (4.35, 5.19, 3.85, 2.36); III 14.69 (4.05, 4.55, 3.91, 2.18); IV 19.15 (5.13, 6.03, 5.45, 2.54). Chelicerae with three retromarginal teeth. Epigyne: atrium large, occupying 1/3 of epigynal plate square, narrowing posteriorly, pear-shaped; teeth short, wider than long, triangular in shape, located anterio-laterally, widely spaced from atrium; spermathecae close to each other, posterior (basal) part subequal to the anterior part; spermathecal heads long, clavate; copulatory ducts long, broad, crescent-shaped (Fig. 13 A–B).

Male. Unknown.

Distribution.

Known only from the type locality (Fig. 21).