Survey of Linyphiidae (Arachnida: Araneae) spiders from Yunnan, China Irfan, Muhammad Zhang, Zhi-Sheng Peng, Xian-Jin Megataxa 2022 2022-12-27 8 1 1 292 Irfan & Zhang & Peng, 2022 Irfan & Zhang & Peng 2022 [136,372,810,837] Arachnida Linyphiidae Ketambea Animalia Araneae 142 143 Arthropoda species aseptifera sp. nov.   Figures 159, 160, 164  Types:  Holotype ♀,  CHINA, Yunnan, Fugong County, Lishadi Township, Shibali, 27.10520ºN, 98.77980ºE, alt.  2530m,  10 August 2005, Guo Tangleg. (Tang–05–02).    Paratypes: 13♀, same data as holotype (tang–05–02);  2♀, Fugong County, Lumadeng Township, Yamubridge, 27.12817°N, 98.85977°E, alt.  1500m, 11, 14,  16 August 2005, Guo Tangleg. ( Tang–05–04);  1♀, Fugong County, 2 kmdown Shibali, 27.16284°N, 98.78989°E, alt.  2420m,  2 May 2004, Guang-xu Pengleg.(20040502).   Etymology:This epithet derives from the Latin adjective “  aseptifera” meaning “septum absent”, referring to the posterior margin of the epigyne without a prominent septum.   Diagnosis:This new species resembles  K.vermiformis Millidge & Russell-Smith, 1992(Millidge & RussellSmith, 1992, figs 32, 33) in posterior margin of epigyne without septum, but can be distinguished by the shape of atrium apertures and the position of fertilization ducts in  K. aseptifera  sp. nov.( Fig. 159C); spiral ducts with three and half turns ( Fig. 159C); spermathecae not covered by the spiral ducts ( Fig. 159C; Millidge & Russell-Smith, 1992, figs 32, 33).   Description. Female( holotype, Fig. 160A, B). Total length 2.60. Carapace 1.11 long, 0.83 wide, yellowishbrown, carapace slightly elevated; fovea, cervical and radial grooves distinct. Clypeus 0.25 high. Sternum dark brown, longer than wide, with sparse hairs. Labium yellow, wider than long. Maxillae long, distal end broad with scopulae and spine-like hairs. Chelicerae yellow, with three promarginal and three retromarginal teeth, stridulatory striae absent. AER recurved, PER straight, slightly wider. Eye sizes and interdistances: AME 0.07, ALE 0.08, PME 0.07, PLE 0.08, AME–AME 0.04, PME– PME 0.08, AME–ALE, 0.06, PME–PLE 0.08, AME– PME 0.04, ALE–ALE 0.38, PLE–PLE 0.40 ALE–PLE contiguous. Length of legs: I 6.02 (1.62, 1.83, 1.68, 0.92), II 5.23 (1.44, 1.56, 1.40, 0.83), III 3.32 (1, 0.96, 0.90, 0.46), IV 4.51 (1.35, 1.29, 1.23, 0.64), legs long, slender and yellow. Leg formula: I-II-IV-III. Tm I 0.52. Tibial spine formula: 2-2-2-2. Abdomen; 1.59 long, 1.21 wide, oval, mid dorsally with distinct patterns and a longitudinal white strip on each side; ventral side brown. Epigyne ( Fig. 159A–C):Aperture arch-shaped, septum absent. Vulva: spiral ducts thick, each with three and half loops; spermathecae round, pointing towards each other.  Male.Unknown.   Distribution.Known only from the typelocality ( Fig. 164). 4020513478 2005-08-10 Guo Tang China Fugong County 2530 27.1052 Shibali 1 98.7798 Lishadi Township 142 143 1 1 Yunnan holotype 4020513434 [136,774,1003,1030] 2005-08-10 Guo Tang China Fugong County 2530 27.1052 Shibali 1 98.7798 Lishadi Township 142 143 13 13 Yunnan paratype 4020513461 2005-08-16 Guo Tang & Tang China Fugong County 1500 27.12817 Lumadeng Township 1 98.85977 Yamu 142 143 2 2 Yunnan paratype 4020513516 2004-05-02 Guang-xu Peng China Fugong County 2420 27.16284 Shibali 1 98.78989 142 143 1 1 Yunnan paratype