Baiyuerius wenshanensis Wei & J. Liu sp. nov.

Figs 25, 26, 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.

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). 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). 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). 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).