Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China Author Irfan, Muhammad 0000-0003-0445-9612 College of Life Sciences, Hunan Normal University, Changsha, 410081, China Author Zhang, Zhi-Sheng 0000-0002-9304-1789 Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Life Sciences, Southwest University, Chongqing 400715, China. Author Peng, Xian-Jin 0000-0002-2614-3910 College of Life Sciences, Hunan Normal University, Changsha, 410081, China text Megataxa 2022 2022-12-27 8 1 1 292 http://dx.doi.org/10.1094/PDIS-04-22-0755-PDN journal article 10.11646/megataxa.8.1.1 2703-3090 7526571 Molestia ancorarius sp. nov. (ÜḦĢƦ) Figures 202 , 203 , 212 Types. Holotype ♀ , CHINA , Yunnan , Gongshan County , Gongshan to Qiqi , 27.77072°N , 98.65333°E , alt. 1564m , 25 September 2002 , Heng-mei Yan leg. (Yan020925). Etymology. This epithet derives from the Latin adjective “ ancorarius ”, meaning “anchor” and referring to the anchor-shaped pseudoscape in epigyne. Diagnosis. The new species can be distinguished from all other congeners by having the anchor-shaped scape in epigyne ( Fig. 202A–C ). Description. Female ( holotype , Fig. 203A, B ): Total length: 1.95, Carapace 0.73 long, 0.61 wide; cephalic region slightly elevated, brown; fovea, cervical and radial grooves distinct. Clypeus 0.13 high. Sternum wider than long, brown, sparsely covered with microsetae. Labium wider than long. Maxillae long, distal end broad with scopulae. Chelicerae with four promarginal and three retromarginal teeth. Eye region narrow, AER recurved, PER straight and slightly wider than AER. Eye sizes and interdistances: AME 0.04, ALE 0.07, PME 0.07, PLE 0.07, AME–AME 0.03, PME–PME 0.04, AME–ALE, 0.05, PME–PLE 0.04, AME–PME 0.06, ALE–ALE 0.29, PLE–PLE 0.32 ALE–PLE contiguous. Length of legs: I 3.09 (0.87, 1.02, 0.72, 0.48), II 2.74 (0.82, 0.85, 0.66, 0.41), III 2.22 (0.66, 0.64, 0.54, 0.38), IV 2.91 (0.83, 0.89, 0.69, 0.50). Leg formula I-IV-II-III. Tm I 0.38 and Tm IV 0.32. Tibial spine formula: 2-2-2-2. Abdomen 1.22 long, 0.94 wide, oval, dorsally with distinct greenish-grey patterns from the anterior margin to the base of spinnerets; ventral side greenish-grey. Epigyne ( Fig. 202A–C ): Protruding, scape anchorshaped, with small stretcher; entrance groove inside lateral pockets; posterior median plate broad, rectangular; spermathecae long, directed anteriolaterally, away from each other. Male. Unknown. Distribution. Known only from the type locality ( Fig. 212 ).