Notes on species of Talaus Simon, 1886 (Araneae, Thomisidae) from China, with descriptions of two new species.

Taxonomic notes on the Talaus species from China are provided. Two new species, T.yuyang Yao & Liu, sp. nov. and T.zhangjiangkou Yao & Liu, sp. nov. are described and illustrated, and a further three species are redescribed based on their genitalic characters: T.dulongjiang Tang, Yin, Ubick & Peng, 2008, T.niger Tang, Yin, Ubick & Peng, 2008, and T.sulcus Tang & Li, 2010. The species T.xiphosus Zhu & Ono, 2007 is considered a junior synonym of T.triangulifer Simon, 1886 based on an examination of many recently collected female and male specimens from Guangxi Province, China. Diagnoses, detailed illustrations and a map of distributional records of the six treated species of Talaus in China are provided.

Two new thomisid species (Arachnida, Araneae, Thomisidae) from China and Vietnam, with the first descriptions of the males of Borboropactuslongidens Tang & Li, 2010 and Stephanopisxiangzhouica Liu, 2022.

Collections of thomisid spiders by amateur and professional arachnologists in China have led to the discovery of some interesting crab spiders (Thomisidae). Two new species in two genera of thomisid spiders are described and illustrated with photographs and SEMs: Phartaxizang Liu & Yao, sp. nov. (♀) and Stephanopisqiong Liu & Yao, sp. nov. (♀). The previously unknown males of Borboropactuslongidens Tang & Li, 2010 and Stephanopisxiangzhouica Liu, 2022 were also collected and are described for the first time. The genus Borboropactus Simon, 1884 is reported for the first time from Vietnam. The new Stephanopis species is also recorded for only the second time from the Asian mainland. Distributions of all these species are mapped.

Notes on two species of Massuria Thorell, 1887 (Arachnida, Araneae, Thomisidae) from China with description of a new species.

Two species assigned to Massuria Thorell, 1887 are reviewed. The female of Massuriabandian Tang & Li, 2010 is described for the first time from Jianfengling National Natural Reserve, Hainan Province, China. The species Diaeasimplex Xu, Han & Li, 2008 is described as a synonym of Massuriabellula Xu, Han & Li, 2008 based on female and male specimens from Guangdong Province, China. Massuriaminsp. nov. described as a new species (female, Fujian Province, China). Detailed illustrations and a distribution map are provided for these three species of Massuria.