Houshenzinus rimosus, Tanasevitch, Andrei V., 2006

Tanasevitch, Andrei V., 2006, On some Linyphiidae of China, mainly from Taibai Shan, Qinling Mountains, Shaanxi Province (Arachnida: Araneae), Zootaxa 1325, pp. 277-311 : 292-293

Houshenzinus rimosus sp. n.

Figs 45–50

Material. Holotype ♂ ( SMF), China, Shaanxi Prov., S flanks of Taibai Shan, above Houshenzi, primary broadleaved forest, 1700–2000 m, 10.VI.1997, leg. J. Martens & P. Jäger. Paratype: 1 ♂ ( SMF), together with holotype, 10.VI.1997, leg. J. Martens & P. Jäger. Diagnosis. See above under the genus.

Etymology. The specific name is derived from the Latin adjective “ rimosus ”, meaning “cracked”, referring to the cloven head of the male carapace.

Description. Male. Total length––2.03. Carapace 0.78 long, 0.63 wide, greyish brown, Head elevation carrying posterior median eyes separated from frontal surface of carapace by a deep cleft, as in Figs 48–50 . Chelicerae 0.30 long. Legs pale grey­yellow, base of tibiae and metatarsi darker. Leg I, 2.82 long (0.78+0.20+0.73+0.68+0.43), IV––2.89 long (0.78+0.23+0.73+0.75+0.40). Chaetotaxy unclear: tibial spines totally lost in holotype, paratype with one long dorsal spine on Ti IV. Metatarsi I–IV each with a trichobothrium. TmI––0.78. Palp ( Figs 45–47 ): Tibia with two processes: one long and slender, the other short and wide. Paracymbium L­shaped, with a swollen outgrowth carrying several spines distally. Embolus very long and slender. Radical part of embolic division small, but with a hypertrophied, hood­like, wide, curved, distally pointed outgrowth conducting and covering all the embolus. Opisthosoma 1.20 long, 0.58 wide, grey.

Female. Unknown.

Figures

FIGURES 45 – 50. Houshenzinus rimosus gen. n. sp. n., paratype. 48 – 50 male carapace (lateral, dorsal and frontolateral views, respectively, not to scale), 45, 46 left palp (45 retrolateral view, 46 prolateral view), 47 paracymbium (lateral view). Abbreviations: ED embolic division, SA suprategular apophysis.