A list of 34 thomisid species belonging to 21 genera collected in Jangxi Province of China is provided. Five new species are described: Angaeus xieluae Liu, sp. nov. (♂♀), Lysiteles subspirellus Liu, sp. nov. (♀), Oxytate mucunica Liu, sp. nov. (♀), Pharta lingxiufengica Liu, sp. nov. (♀), Stephanopis xiangzhouica Liu, sp. nov. (♀). A new combination is proposed: Ebelingia forcipata (Song & Zhu, 1993) comb. nov. (ex. Ebrechtella Dahl, 1907). Previously unknown females of E. forcipata (Song & Zhu, 1993), Oxytate bicornis Liu, Liu & Xu, 2017, and Xysticus lesserti Schenkel, 1963 are described for the first time. Stephanopis O Pickard-Cambridge, 1869, a genus previously known from Australasia and South America, is recorded from the Asian mainland for the first time.

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Phrurolithidae spiders were collected from Jinggang Mountain National Nature Reserve, Jiangxi Province, China, during the past six years. The new genus Alboculus Liu, gen. nov., with the type species Phrurolithus zhejiangensis Song & Kim, 1991, is described, and its previously unknown male is described for the first time. Furthermore, seven new species of Otacilia are described: O. acutangula Liu, sp. nov. (♂♀), O. bijiashanica Liu, sp. nov. (♂♀), O. longtanica Liu, sp. nov. (♀), O. ovoidea Liu, sp. nov. (♂♀), O. shenshanica Liu, sp. nov. (♂♀), O. subovoidea Liu, sp. nov. (♂♀), and O. xiaoxiica Liu, sp. nov. (♀). All species are illustrated with photographs and their distributions are mapped.

The male of Psechrus jinggangensis Wang & Yin, 2001 is described for the first time based on many specimens from its type locality, Jinggang Mountain National Nature Reserve, Ji’an City, Jiangxi province, China. Detailed illustrations, SEM images, and distribution map are given.

A new species, Otacilia dadongshanica Liu, sp. nov. (♂♀) is firstly described from Jiangxi Province, China. The new species is diagnosed and illustrated with photographs. A distribution map is also given.