Houcosa zhaoi Wang, Marusik & Zhang, 2025, sp. nov.
Year: 2025
Type: other
Abstract: Houcosa zhaoi sp. nov. Common name. 赵氏犼蛛 Figs 2, 3, 16 Type material. Holotype ♂ (SWUC -T-LY-19-01): China, Guangxi, Laibin City, Jinxiu Co., Pingban, 24°05'25"N, 110°10'34"E, elev. 1053 m, 26 April 2023, W. Q. Zhao leg. Paratypes: 4 ♂ 5 ♀ (SWUC -T-LY-19-02 – 10), with same data as for holotype. Etymology. The specific epithet is taken from the family name of Mr Wenqi Zhao (Nanchang, China), who collected this species. Diagnosis. See genus diagnosis. Description. Male (holotype, Fig. 3 A). Total length 6.85. Prosoma 3.21 long, 2.43 wide; opisthosoma 3.51 long, 2.43 wide. Carapace greyish brown, lacking distinct pattern, with lighter median band in posterior part. Eye sizes and interdistances: AME 0.12, ALE 0.12, PME 0.37, PLE 0.32; AME – AME 0.07, AME – ALE 0.07, PME – PME 0.30, PME – PLE 0.35. Clypeus height 0.22. Legs yellow brown, with black pigmentation. Leg measurements: I 8.69 (2.24, 3.10, 2.23, 1.12); II 8.40 (2.23, 2.89, 2.09, 1.19); III 8.63 (2.23, 2.69, 2.56, 1.15); IV 11.87 (2.84, 3.74, 3.78, 1.51). Opisthosoma oval. Dorsum greyish brown, with yellow brown markings. Venter yellow brown. Palp (Fig. 2). Tibia with 2 pairs of prolateral spines. Embolus whip-shaped. Basoembolic apophysis biforked. No conductor. Terminal apophysis long and membranous. Tegular apophysis small and semicircular. Retrolateral tegular apophysis triangular. Female (paratype SWUC -T-LY-19-02, Fig. 3 B). Total length 8.15. Prosoma 3.62 long, 2.79 wide; opisthosoma 4.35 long, 2.96 wide. Carapace with distinct light median band, wide in cephalic part as wide as PME – PME, and thin in posterior part. Eye sizes and interdistances: AME 0.10, ALE 0.13, PME 0.38, PLE 0.34; AME – AME 0.13, AME – ALE 0.10, PME – PME 0.32, PME – PLE 0.38. Clypeus 0.15 high. Leg measurements: I 8.70 (2.54, 3.13, 2.08, 0.95); II 8.54 (2.43, 3.12, 1.90, 1.09); III 8.18 (2.26, 2.55, 2.25, 1.12); IV 12.59 (3.08, 4.10, 3.92, 1.49). Epigyne (Fig. 3 C, D). Septum slightly longer than wide with semicircular posterior part. Copulatory openings located between septum and lateral walls. Stalk of spermatheca S-shaped, head of spermatheca suboval. Fertilization ducts crescent-shaped. Habitat. Live on the forest floor of broad-leaved forests. Distribution. Currently known only from the type locality, China (Guangxi, Fig. 15).
Authors: Wang, Lu-Yu, Marusik, Yuri M., Zhang, Zhi-Sheng
Language: English
Subfield: Genetics
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6893312893
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