Description of six new genera and twenty species of the orb-weaver spider family Araneidae (Araneae, Araneoidea) from Xishuangbanna, Yunnan, China

Six new genera, Pengaraneus gen. nov., Songaraneus gen. nov., Tangaraneus gen. nov., Wangaraneus gen. nov., Yinaraneus gen. nov. and Zhuaraneus gen. nov., and twenty species, including sixteen new, of the family Araneidae from Xishuangbanna, Yunnan, south-west China are described: Cyclosa anjing sp. nov. (♂♀), C. daodai sp. nov. (♂♀), C. longquan sp. nov. (♂♀), C. xingqing sp. nov. (♂♀), Gasteracantha diadesmia Thorell, 1887 (♂♀), Guizygiella huahai sp. nov. (♂♀), Neoscona jinghongensis Yin, Wang, Xie & Peng, 1990 (♂♀), N. piaoyi sp. nov. (♂♀), N. wuding sp. nov. (♂♀), Pengaraneus qingtian sp. nov. (♂♀), Poltys waipo sp. nov. (♂♀), Songaraneus jiekou sp. nov. (♂♀), S. tuihou sp. nov. (♂♀), Talthybia depressa Thorell, 1898 (♂♀), Tangaraneus geqian sp. nov. (♂♀), Wangaraneus yequ sp. nov. (♂♀), W. zioni (Mi, Li & Pham, 2023) (♂♀) comb. nov., Yinaraneus anhao sp. nov. (♂♀), Y. caihong sp. nov. (♂♀), Zhuaraneus daoxiang sp. nov. (♂♀). Wangaraneus zioni is newly recorded in China. Mature males of the monotypic genus Talthybia Thorell, 1898 (for the type species T. depressa) and Gasteracantha diadesmia, W. zioni, N. jinghongensis are described for the first time.