Stephanopis xiangzhouica Liu, 2022

Liu, Ke-Ke, Ying, Yuan-hao, Fomichev, Alexander A., Zhao, Dan-chen, Li, Wen-hui, Xiao, Yong-hong & Xu, Xiang, 2022, Crab spiders (Araneae, Thomisidae) of Jinggang Mountain National Nature Reserve, Jiangxi Province, China, ZooKeys 1095, pp. 43-74 : 43

Stephanopis xiangzhouica Liu sp. nov.

Figs 12 , 13

Material examined.

Holotype: ♀, China, Jiangxi Province, Ji’an City, Jinggangshan County Level City , Jinggang Mountain National Nature Reserve , Luofu Town , Xiangzhou Village , Fengshuping Group , 26°36'10.8"N, 114°15'28.8"E, 412 m, 5.VIII.2015, leg. K. Liu et al. leg.

Etymology.

The specific name refers to the type locality, Xiangzhou Village.

Diagnosis.

The new species is similar to S. nigra O. Pickard-Cambridge, 1869 by having slit-like copulatory openings (CO), but differs by lacking lateral sclerotised margins of copulatory openings (vs. lateral margins sclerotised), touching membranous sacs (vs. separated) and slightly separated spermathecae (vs. touching) (cf. Fig. 13 and Machado et al. 2019: fig. 37C, D).

Description.

Female. Habitus as in Fig. 12A, B . Total length 5.48. Carapace: 2.78 long, 2.96 wide, covered with numerous strong, short, radially diverging setae and dense short plumose setae, with three rows of short strong setae along midline. Eye sizes and interdistances (Fig. 12C ): AME 0.04, ALE 0.07, PME 0.05, PLE 0.06, AME-AME 0.07, AME-ALE 0.04, PME-PME 0.12, PME-PLE 0.13, AME-PME 0.22, AME-PLE 0.31, ALE-ALE 0.25, PLE-PLE 0.57, ALE-PLE 0.14. MOA 0.26 long, front width 0.13, back width 0.24. Chelicerae (Fig. D) with three promarginal (middle largest, distal and proximal smaller) and two retromarginal (proximal large, distal very small) teeth, and numerous macrosetae anteriorly. Endites 2 × longer than wide, ectal part without distinct constriction. Labium wider than long. Sternum (Fig. 12B ) oval with short dense macrosetae. Abdomen (Fig. 12A, B, G ): 2.79 long, 2.94 wide, pentagonal with pair of latero-posterior horns; dorsum covered with sparse brown clavate and small dense plumose setae. Leg measurements: I 5.52 (1.78, 0.82, 1.31, 1.14, 0.47); II 4.80 (1.74, 0.73, 1.08, 0.86, 0.39); III 3.18 (0.95, 0.50, 0.80, 0.51, 0.42); IV 3.30 (1.24, 0.46, 0.74, 0.50, 0.36). Femora, patellae, and tibiae of legs I and II with dorsal outgrowths, especially long in distal parts of patellae. Spination: I Fe: d1, p4, v4; Pa: d3; Ti: d2, v8; Mt: r1, v8; II Fe: d3, v4; Pa: d2; Ti: d2, v8; Mt: v6; IV: Ti: d1, r1.

Colouration as in Fig. 12 . Carapace, chelicerae, endites, and labium reddish brown. Sternum yellow. Palpal tibia with one clear round dark brown patch. Legs yellow to dark brown, with numerous dark brown patches on femora and tibiae. Abdomen reddish brown, dorsally with numerous pale brown dots, without setae on those dots.

Epigyne (Fig. 13 ). Epigynal plate sub-trapezoidal, 1.3 × wider than long. Copulatory openings (CO) oriented horizontally separated by nearly 1/3 of their width. Membranous sacs (MS) transparent, located anteriorly, covering 2/3 of epigynal plate, touching each other. Glandular appendages of membranous sac (GA) spherical, short, as long as 1/3-1/2 width of spermatheca (SP). Spermathecae oval, slightly separated by 1/3 of its width. Fertilisation ducts (FD) gramineous leaf-shaped, as long as spermathecae, directed laterally.

Male. unknown.

Distribution.

Known only from the type locality in Jiangxi Province of China (Fig. 17 ).

Figures

Figure 12. Stephanopis xiangzhouica sp. nov., female holotype. A habitus, dorsal view B same, ventral view C cephalic part, dorsal view D left chelicera, mesal view E left leg I, prolateral view F patella I, prolateral view G abdomen, dorsal view. Scale bars: 1 mm (A, B), 0.1 mm (C, D, F), 0.5 mm (E, G).

Figure 13. Stephanopis xiangzhouica sp. nov., female epigyne, holotype. A ventral view B dorsal view. Abbreviations: CO - copulatory opening, FD - fertilisation duct, GA - glandular appendage, MS - membranous sac, SP - spermatheca. Scale bars: 0.1 mm.

Figure 17. The location of the Jinggang Mountain National Nature Reserve in China indicated by a large black dot.