AnimaliaAraneaeHypochilidaeLinYejieLiShuqiangTaxonomic studies on the genus Ectatosticta (Araneae, Hypochilidae) from China, with descriptions of two new speciesZookeys2972020954172910.3897/zookeys.954.52254B39B5DAD-9E59-5FD5-9759-C96A77328268 Ectatosticta deltshevi Platnick & Jäger, 2009Figs 1, 2B, 3B, 4B, 5B, 6A–C, 7A, B, 8 Ectatosticta davidiLi & Zhu, 1984: 510, figs A–G; Forster et al. 1987: 23, figs 6–16, 18–20, 23, 24, 31–36, 78–82; Song et al. 1999: 41, figs 11D, 17Q–T; Hu 2001: 69, figs 1.1–6; Song et al. 2001: 64, fig. 24A–E. All misidentified. Ectatosticta deltsheviPlatnick & Jäger, 2009: 214.Type material.

Holotype ♂ (IZCAS-Ar28579), China, Qinghai Province, Huangyuan County, 15.IX.1984, Zhongshan Li leg., examined.

Other material examined.

2♂2♀ (IZCAS), China, Qinghai Province, Huangyuan County, 15.IX.1984, Zhongshan Li leg.; 2♀ (IZCAS), China, Qinghai Province, Haidong, Huzhutu Autonomous County, Jinchuan County, Jiading, Beishan National Park, 36.9378N, 102.4575E, elevation ca. 2442 m, 30.X.2019, Yejie Lin leg.

10.3897/zookeys.954.52254.figure2D32230C3-EB5F-5D0E-BA84-E1DCB7711F71

Ectatosticta spp., prolateral view of left male palps AE. davidi, male from Shaanxi BE. deltshevi, holotype CE. wukong sp. nov., holotype DE. wukong sp. nov., embolus and conductor of right palp (rotated horizontally), holotype.

https://binary.pensoft.net/fig/436974Distribution.

China (Qinghai).

Natural history.

Living in simple sheet webs between soil blocks or tree roots. On one side of the web there is tube-retreat that extends into the soil.

10.3897/zookeys.954.52254.figure17FD881FB-8B85-5CD8-B2EA-2D93E6512967

Ectatosticta spp., outlines of male bulbs and thickened setae in retrolateral view (Red line, E. davidi; green line, E. deltshevi, holotype; black line, E. wukong sp. nov., holotype) A bulbs B thickened setae.

https://binary.pensoft.net/fig/43697310.3897/zookeys.954.52254.figure3997192D7-EAAA-56AE-B51D-B2DE6EF784A4

Ectatosticta spp., ventral view of left male palps AE. davidi, male from Shaanxi BE. deltshevi, holotype CE. wukong sp. nov., holotype DE. wukong sp. nov., embolus and conductor of right palp (rotated horizontally), holotype.

https://binary.pensoft.net/fig/43697510.3897/zookeys.954.52254.figure4DFCC3695-54FE-5936-A282-6A6D36B9CBE1

Ectatosticta spp., retrolateral view of left male palps AE. davidi, male from Shaanxi BE. deltshevi, holotype CE. wukong sp. nov., holotype DE. wukong sp. nov., embolus and conductor of right palp (rotated horizontally), holotype.

https://binary.pensoft.net/fig/43697610.3897/zookeys.954.52254.figure578F643C6-F11C-5107-835A-12776678E23E

Ectatosticta spp., dorsal view of female genitalia AE. davidi, female from Shaanxi BE. deltshevi, female from Qinghai (type locality) CE. wukong sp. nov., paratype DE. xuanzang sp. nov., holotype.

https://binary.pensoft.net/fig/43697710.3897/zookeys.954.52254.figure648BF284D-B45C-5B51-816B-B93ADA83FD5B

Ectatosticta spp., variation of female genitalia (red line, inner spermathecae (A–C, F–K) or spermathecae (D, E); green line, outer spermathecae) A–CE. deltshevi, females from Qinghai (type locality) D, EE. wukong sp. nov., paratypes FE. davidi, females from Shaanxi G–KE. xuanzang sp. nov., paratypes. Scale bars: 0.1 mm.

https://binary.pensoft.net/fig/43697810.3897/zookeys.954.52254.figure752FA32A3-D911-54C9-878D-F647A8981EF7

Photos of live Ectatosticta spp. AE. deltshevi, female from Qinghai BE. deltshevi and web CE. xuanzang sp. nov., holotype from Tibet DE. xuanzang and web E Egg sac F A typical web of Ectatosticta. Egg sac marked with green arrow, spider marked with red arrow and assembled nymphs marked with yellow rectangle.

https://binary.pensoft.net/fig/43697910.3897/zookeys.954.52254.figure80544F0A4-66EB-5D40-9FE1-8C4D4EFF73DF

Distribution records of Ectatosticta species from China. 1E. davidi2E. deltshevi3E. wukong sp. nov. 4E. xuanzang sp. nov.

https://binary.pensoft.net/fig/436980ForsterRRPlatnickNIGrayMR (1987) A review of the spider superfamilies Hypochiloidea and Austrochiloidea (Araneae, Araneomorphae).Bulletin of the American Museum of Natural History185: 1–116.SongDXZhuMSChenJ (1999) The Spiders of China.Hebei University of Science and Techology Publishing House, Shijiazhuang, 640 pp.HuJL (2001) Spiders in Qinghai-Tibet Plateau of China. Henan Science and Technology Publishing House, 658 pp.SongDXZhuMSChenJ (2001) The Fauna of Hebei, China: Araneae.Hebei University of Science and Techology Publishing House, Shijiazhuang, 510 pp.