Baiyuerius wenshanensis Wei & J. Liu, 2025

Wei, Mian, Zhu, Yang, Liu, Jie, Zhang, He & Liu, Fengjie, 2025, New species and new combinations of the spider genus Baiyuerius Zhao, B. Li & S. Q. Li, 2023 (Araneae, Agelenidae, Coelotinae), Zootaxa 5636 (3), pp. 401-442 : 429-431

publication ID	https://doi.org/10.11646/zootaxa.5636.3.1
publication LSID	lsid:zoobank.org:pub:1A564430-7BA5-4159-A595-3BF3DF2F2D7A
DOI	https://doi.org/10.5281/zenodo.15561631
persistent identifier	https://treatment.plazi.org/id/24487D50-B41C-FFD2-9B91-F909FD65FD73
treatment provided by	Plazi
scientific name	Baiyuerius wenshanensis Wei & J. Liu
status	sp. nov.

Treatment

Baiyuerius wenshanensis Wei & J. Liu sp. nov.

Figs 25 View FIGURE 25 , 26 View FIGURE 26 , 35 View FIGURE 35

Type material. Holotype ♀ ( CBEE), CHINA: Yunnan Province: Wenshan Zhuang and Miao Autonomous Region, Xihua Park , 23.3522°N, 104.2355°E, elevation: 1520 m, 19.Ⅰ Ⅴ.2021, M. Wei leg. GoogleMaps

Etymology. The new species is named after the type locality, Wenshan Zhuang and Miao Autonomous Region, adjective.

Diagnosis. Females of B. wenshanensis sp. nov. resemble those of B. shenyunxiaoi sp. nov., and can be distinguished from the latter, see the diagnosis of B. shenyunxiaoi sp. nov. for detailed statement.

Description. Female holotype ( Fig. 26 View FIGURE 26 ). Carapace dark brown, cervical and radial grooves distinct. Cephalic region raised, lateral margin with distinct furrows. Chelicerae with three promarginal teeth and two retromarginal teeth, condyle red. Sternum longer than wide. Abdomen pale yellow, with 5 chevron-shaped patterns, covered by hairs. Legs red, metatarsi and tarsi of the first and second legs with normal hairs. Total length 14.66. Carapace 7.07 long, 4.82 wide, cephalic region 3.92 wide. Abdomen 7.59 long, 5.62 wide. Eye size and interdistance: AME 0.22, ALE 0.30, PME 0.27, PLE 0.29; AME–AME 0.13, AME–ALE 0.12, AME–PME 0.16, ALE–PLE 0.07, PME–PME 0.11, PME–PLE 0.33. Leg measurements: I 16.02 (4.71, 1.93, 4.07, 3.51, 2.15), II 13.87 (4.15, 1.70, 3.13, 3.19, 1.92), III 12.11 (3.59, 1.56, 2.29, 3.10, 1.61), IV 17.19 (4.95, 1.98, 3.90, 4.54, 1.95).

Epigyne ( Fig. 25A View FIGURE 25 ). Epigynal teeth absent. Atrium anteriorly situated, with a inverted-triangle-shaped anterior hood situated above atrium. Epigynal pocket large, occupying 3/4 of epigynal plate, anterior margin M-shaped and strongly sclerotized, posterior epigynal sclerite absent, the remaining area linear and membranous, swollen epigyne strongly sclerotized. Hoods deep and triangular, nearly vertically oriented and situated laterally below atrium.

Internal genitalia ( Fig. 25B View FIGURE 25 ). Copulatory ducts anteriorly originated, long, broad and straight, fused at beginning and without blind sacs. Spermathecae small and nearly spherical. Fertilization ducts posteriorly situated.

Male. Unknown.

Distribution. China (Yunnan Province).