Tekellina huihangi Lin & Li, 2024

Lin, Yejie, Li, Shuqiang, Mo, Haolin & Wang, Xihao, 2024, Thirty-eight spider species (Arachnida: Araneae) from China, Indonesia, Japan and Vietnam, Zoological Systematics 49 (1), pp. 4-98 : 67-70

Tekellina huihangi Lin & Li , sp. nov. ( Figs 57B , 58B , 59B , 60C–D )

Etymology. The specific name is dedicated to Mr. Huihang Cai who collected the type specimens; noun (name) in genitive case.

Diagnosis. The male of the new species can be distinguished from other congeners by the needle-shaped ventral arm of the conductor with a serrated tip. The female shares the same shape of the spermathecae with T. haosiwen Lin &Li , sp. nov., but can be distinguished by the copulatory ducts with 6 loops (vs. 3 loops).

Description. Male (holotype). Total length 0.73, carapace 0.33 long, 0.37 wide, opisthosoma 0.41 long, 0.46 wide. Leg measurements: I 0.82 (0.26, 0.30, 0.16, 0.10), II 0.80 (0.25, 0.29, 0.15, 0.11), III 0.57 (0.17, 0.18, 0.11, 0.11), IV 0.57 (0.18, 0.17, 0.11, 0.11).

Coloration ( Fig. 60C ). Carapace oval, pale yellow, eye region projecting anteriorly; clypeus concave. Eyes almost equal in size, red-brown ring around eyes. Legs white, with dense gray setae. Opisthosoma pale yellow, almost as long as wide, with white spots and red pattern.

Palp ( Figs 57B , 58B ). Patella almost 1.5 times longer than tibia. Cymbium circular, with paracymbium projecting and hooked. Bulb round. Retrolateral arm of conductor finger shaped, ventral arm of conductor needle shaped, tip with 3 serrations. Embolus thin, long and largely coiled with thick base.

Female (one paratype Ar44872). Total length 1.06, carapace 0.43 long, 0.41 wide, opisthosoma 0.71 long, 0.79 wide. Leg measurements: I 1.72 (0.56, 0.63, 0.33, 0.20), II 1.68 (0.52, 0.62, 0.31, 0.23), III 1.18 (0.37, 0.37, 0.24, 0.20), IV 1.47 (0.46, 0.50, 0.29, 0.22) .

Coloration ( Fig. 60D ). Habitus similar to that of male except paler.

Epigyne ( Fig. 59B ). Epigynal plate almost as long as wide. Copulatory openings oval, distance between copulatory openings as wide as distance between spermathecae. Copulatory ducts long, transparent, with 6 loops around spermathecae. Spermathecae oblong, almost 3 times longer than wide. Fertilization duct directed at 12:00-o’clock-position from spermatheca.

Material examined. Holotype ♂ (IZCAS-Ar44871), China: Zhejiang, Hangzhou City, Tonglu Co., Daqishan National Forest Park , XI.2022, Huihang Cai leg. Paratypes. 4♀ (IZCAS-Ar44872–Ar44875), same data as holotype except 9.XII.2023 .

Distribution. Known only from the type locality.

Figures

Figure 57. Tekellina spp., ventral view, holotype males, left palp. A. T. haosiwen Lin & Li, sp. nov.; B. T. huihangi Lin & Li, sp. nov. Abbreviations: Cr—retrolateral arm of conductor; Cv—ventral arm of conductor; P—paracymbium. Scale bars=0.05mm.

Figure 58. Tekellina spp., ventral view, holotype males, part of conductor. A. T. haosiwen Lin & Li, sp. nov.; B. T. huihangi Lin & Li, sp. nov. Abbreviations: Cr—retrolateral arm of conductor; Cv—ventral arm of conductor. Scale bars=0.01mm.

Figure 59. Tekellina spp., dorsal view, paratype females, vulva. A. T. haosiwen Lin & Li, sp. nov.; B. T. huihangi Lin & Li, sp. nov. Abbreviations: CD—copulatory duct; CO—copulatory opening; FD—fertilization duct; S—spermatheca. Scale bars=0.03mm.

Figure 60. Tekellina spp., dorsal view, holotype males (A, C) and paratype females (B, D), habitus. A–B. T. haosiwen Lin & Li, sp. nov.; C–D. T. huihangi Lin & Li, sp. nov. Scale bars=0.2mm.