Review of the spider genus Ectatosticta Simon, 1892 (Araneae: Hypochilidae) with description of four new species from China Author Wang, Lu-Yu 0000-0002-5250-3473 Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Life Sciences, Southwest University, Chongqing 400715, China. & wangluyu 1989 @ 163. com; https: // orcid. org / 0000 - 0002 - 5250 - 3473 Author Zhao, Jing-Xia 0000-0002-4344-0300 Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Life Sciences, Southwest University, Chongqing 400715, China. & 1131732591 @ qq. com; https: // orcid. org / 0000 - 0002 - 4344 - 0300 1131732591@qq.com Author Irfan, Muhammad 0000-0003-0445-9612 Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Life Sciences, Southwest University, Chongqing 400715, China. & irfanuos 94 @ yahoo. com; https: // orcid. org / 0000 - 0003 - 0445 - 9612 irfanuos94@yahoo.com Author Zhang, Zhi-Sheng Key Laboratory of Eco-environments in Three Gorges Reservoir Region (Ministry of Education), School of Life Sciences, Southwest University, Chongqing 400715, China. text Zootaxa 2021 2021-08-09 5016 4 523 542 journal article 10.11646/zootaxa.5016.4.4 1175-5326 5222521 424B59DE-70C5-493F-B8A6-EBEE50813E0B Ectatosticta wukong Lin & Li, 2020 Figures 4A–D , 13A–C , 15J , 16J , 18D , 19 Ectatosticta wukong Lin & Li, 2020: 20 , figs 1, 2C–D, 3C–D, 4C–D, 5C, 6D–E ( ♂ ♀ ). Material examined. 2 males and 12 females , China , Sichuan Province , Hongyuan County , Shuajingsi Town , Shuamalukou , 31°55′33″ N , 102°39′12″ E , elev. 3425 m , 13 October 2020 , L.Y. Wang , Y. Zhang , J.X. Zhao and J.S. Luo leg. Diagnosis. The male of this species resembles E. songpanensis sp. nov. ( Figs 12A–C , 15I , 16I ), in having three thicken setae on cymbial lobe, but differs from the latter by the narrow conductor ( Figs 13A–C , 15J , 16J ). The female of this species resembles E . rulai Lin & Li, 2021 ( Fig. 18A ) in having one pair of spermathecae, but differs from the latter by the narrow spermathecae base ( Fig. 18D ) Description. See Lin & Li (2020) . Habitus, male palp and female genitalia as in Figs 4A–D , 13A–C , 15J , 16J , 18D . Distribution. China ( Sichuan ) ( Fig. 19 ).