Acanoides hengshanensis (Chen & Yin, 2000) Chen & Yin, 2000

Sun, Ning, Marusik, Yuri M. & Tu, Lihong, 2014, Acanoides gen. n., a new spider genus from China with a note on the taxonomic status of Acanthoneta Eskov & Marusik, 1992 (Araneae, Linyphiidae, Micronetinae), ZooKeys 375, pp. 75-99 : 84

Acanoides hengshanensis (Chen & Yin, 2000) comb. n. Figs 1 D–F, 3, 5

Lepthyphantes hengshanensis Chen & Yin, 2000: 87, figs 12-16 (♂)

Acanthoneta hengshanensis : Tu et al. 2006: 412, figs 24-27 (♂).

Type-specimen.

Holotype of Lepthyphantes hengshanensis Chen & Yin, 2000, ♂ (HNU), China, Hunan Province, Mt. Hengshan, 27°18'N, 112°42'E, 1-7 Aug. 1995, C. Yin leg. (examined).

Additional material examined.

3 ♂♂ and 4 ♀♀, China, Beijing, Mt. Yangtaishan, Dajue Temple, 40°03.06'N, 116°05.97'E, alt. 50 m, 15 Oct. 2007, L. Tu leg.

Diagnosis.

See diagnosis for Acanoides beijingensis sp. n.

Description.

Male (Fig. 1 D–E): Total length 2.39. Carapace 1.02 long, 0.78 wide. Abdomen 1.37 long, 0.78 wide. Lengths of legs: I 5.03 (1.37 + 1.56 + 1.32 + 0.78), II 3.33 (0.98 + 0.98 + 0.83 + 0.54), III 3.47 (0.98 + 1.07 + 0.88 + 0.54), IV 4.63 (1.27 + 1.41 + 1.22 + 0.73). Tm I: 0.24. Female (Fig. 1F): Total length 2.42. Carapace 0.96 long, 0.78 wide. Abdomen 1.80 long, 1.25 wide. Lengths of legs: I 4.21 (1.18+ 1.42 + 0.96 + 0.65), II 3.19 (0.98 + 1.06 + 0.66 + 0.49), III 2.81 (0.84 + 0.85 + 0.68 + 0.44), IV 3.70 (1.08 + 1.19 + 0.89 + 0.54). Tm I: 0.23. For other somatic characters see description of the genus.

Male palp (Figs 3 A–C; 5 A–B). Cymbium with distinct proximal apophysis pointing backwards. Paracymbium wide and U-shaped, with triangular tooth on posterolateral margin. Distal suprategular apophysis absent. Embolic division: radix long and narrow; Fickert’s gland located in the membranous area connecting radix and embolus; embolus main body large and strongly sclerotized with serrated area; embolus proper sharp with large thumb and pointed apex; lamella characteristica long and slender with bifurcated ends, one sharp and sclerotized, one membranous; terminal apophysis straight, with distal membrane.

Epigynum (Figs 3 F–G, 5 G–H). Short and wide, box-shaped, strongly sclerotized; wrinkled basal part extensible and ventrally folded in constricted state. Neither median plate nor epigynal cavity present. Copulatory openings located on ventral surface, slits of epigynal grooves extending laterally, passing from ventral to dorsal surface, then convergent mesally. No scape, no stretcher.

Variation.

Males (n = 3). Total length 2.34-2.41. Carapace: 1.09-1.12 long, 0.72-0.93 wide. Abdomen 1.14-1.42 long, 0.68-0.83 wide.

Females (n = 4). Total length 2.32-2.42. Carapace: 0.87-1.01 long, 0.75-0.81 wide. Abdomen: 1.63-1.82 long, 0.76-1.22 wide.

Distribution.

China (Beijing, Hunan) (Fig. 7).