Thirty-eight spider species (Arachnida: Araneae) from China, Indonesia, Japan and Vietnam Author Lin, Yejie Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China Author Li, Shuqiang Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China Author Mo, Haolin Key Laboratory of Wildlife Evolution and Conservation in Mountain Ecosystem of Guangxi, Nanning Normal University, Nanning 530001, China Author Wang, Xihao Jinan Licheng No. 2 High School, Jinan 250109, China Corresponding author, E-mail: lisq @ ioz. ac. cn text Zoological Systematics 2024 49 1 4 98 https://www.mendeley.com/catalogue/be4c04f9-10f9-351c-8fd7-9c0289bee230/ journal article 10.11865/zs.2024101 2095-6827 10941018 CA760FC0-4A28-4FEC-8D5F-766024ACF490 Troglocoelotes ruanxiaowu Lin & Li , sp. nov . ( Figs 2 , 3B ) Etymology. The species is named after Ruan Xiaowu, a character in the classic Chinese novel Outlaws of the Marsh ; noun in apposition. Diagnosis. The female of the new species resembles T. liangensis Zhao & Li, 2019 by the epigynal teeth directed mesially and oval spermathecae, but it can be distinguished by the strongly procurved posterior margin of the atrium ( vs. slightly recurved) and middle part of copulatory ducts expanded ( vs. unexpanded). Description. Female ( holotype ). Total length 4.72, carapace 2.65 long, 1.78 wide, opisthosoma 2.05 long, 3.08 wide. Eyes absent. Chelicerae with 3 promarginal and 2 retromarginal teeth. Leg measurements: I 11.24 (2.88, 3.70, 2.78, 1.88), II 10.60 (2.76, 3.36, 2.72, 1.76), III 10.04 (2.63, 2.97, 2.75, 1.69), IV 13.25 (3.24, 4.10, 3.85, 2.06). Coloration ( Fig. 3B ). Carapace yellow-brown. Cephalic region brown to yellowish brown, thoracic region pale yellow. Cervical and radial furrows distinct. Chelicerae brown. Endites and labium brown. Sternum yellowish brown. Legs yellow with black setae. Opisthosoma oval, gray, without any pattern. Spinnerets yellowish brown. Epigyne ( Fig. 2 ). Epigynal plate as long as wide. Epigynal teeth finger shaped, located over the atrium, about 2 times wider than long. Atrium inconspicuous. Median plate strongly procurved. Copulatory ducts partially oval, then spiraled and attached to the anterior part of spermathecae. Spermathecal heads obvious. Spermathecae oval. Fertilization duct directed at 1:00-o’clock-position from spermatheca. Male. Unknown. Material examined. Holotype ♀ (IZCAS-Ar44791), China : Guangxi, Fengshan Co., Fengcheng Town, Songren Vil. , Xi'an Cave ( 24.5657°N , 107.04108°E , elev. 574 m ), 12.III.2007 , Jie Liu and Yucheng Lin leg. Distribution. Known only from the type locality.