Review of 43 spider species from Hainan Island, China (Arachnida, Araneae) Author Lin, Yejie 0000-0002-6789-2731 Hebei Key Laboratory of Animal Diversity, College of Life Science, Langfang Normal University, Langfang 065000, China. & linyejie 15 @ gmail. com; https: // orcid. org / 0000 - 0002 - 6789 - 2731 linyejie15@gmail.com Author Wu, Lingbing 0000-0001-5048-8946 Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China. & 995160 @ hainanu. edu. cn; https: // orcid. org / 0000 - 0001 - 5048 - 8946 995160@hainanu.edu.cn Author Cai, Ducheng Institute of Tropical Agriculture and Forestry, Hainan University, Haikou, Hainan 570228, China. & caiducheng @ hainanu. edu. cn Author Li, Shuqiang 0000-0002-3290-5416 Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China. & lisq @ ioz. ac. cn; https: // orcid. org / 0000 - 0002 - 3290 - 5416 lisq@ioz.ac.cn Author Barrion, Alberto Tomas 0000-0001-5379-6426 Institute of Biological Sciences and Museum of Natural History, University of the Philippines Los BanÞos, 4031, Laguna, Philippines. & a. barrion @ cgiar. org; https: // orcid. org / 0000 - 0001 - 5379 - 6426 a.barrion@cgiar.org Author Heong, Kong-Luen 0000-0002-7763-6002 Crop and Environmental Science Division, International Rice Research Institute (IRRI), Los BanÞos 4030, Laguna, Philippines & klheong @ yahoo. com; https: // orcid. org / 0000 - 0002 - 7763 - 6002 klheong@yahoo.com text Zootaxa 2023 2023-09-29 5351 5 501 533 http://dx.doi.org/10.11646/zootaxa.5351.5.1 journal article 270526 10.11646/zootaxa.5351.5.1 90b9fd41-34dc-49ae-810f-5fec9f0ff7f3 1175-5326 8392152 41D123A3-CD2F-4806-A0F7-82F468056E84 Uloborus guangxiensis Zhu, Sha & Chen, 1989 Uloborus guangxiensis Zhu et al ., 1989: 50 , figs 9–17 (♁ ♀ ). Octonoba sanyanensis Barrion, Barrion-Dupo & Heong , in Barrion et al. , 43, fig. 49A–E ( ♀ ). syn. nov. For a complete list of taxonomic references see World Spider Catalog (2023) . Type material of Octonoba sanyanensis (examined). Holotype ♀ (coll. no. San 2011-1), CHINA : Hainan Island , Sanya, Sanya College Campus , (coll. no. San 2011-2), leg. A. T . Barrion et al . ; Paratype : 1♀ , same data as holotype . Description and diagnosis. See Zhu et al. (1989) for a description and diagnosis of both sexes. Distribution. China ( Guangdong , Guangxi , Hainan , Sichuan , Yunnan ). Comments. The type material of O. sanyanensis was examined and no differences between U. guangxiensis and O. sanyanensis were observed. Thus, we consider O. sanyanensis syn. nov. to be a junior synonym of U. guangxiensis .