Four new species of the genus Yunguirius (Araneae, Agelenidae) from China.

Four new species of Yunguirius B. Li, Zhao & S.Q. Li, 2023 are described from China, namely: Yunguiriusparvus Wei & Liu, sp. nov. (♀), Yunguiriustrigonus Wei & Liu, sp. nov. (♀), Yunguiriuswangqiqiae Wei & Liu, sp. nov. (♀), and Yunguiriusxiannushanensis Wei & Liu, sp. nov. (♀).