Abstract
Four new species of the genus Cheiracanthium C.L. Koch, 1839 from Xishuangbanna, Yunnan Province, China are described: C. daofeng Yu & Li, sp. nov. (♂♀), C. duanbi Yu & Li, sp. nov. (♂♀), C. gou Yu & Li, sp. nov. (♂), and C. wuquan Yu & Li, sp. nov. (♀). In addition, Sinocanthium Yu & Li, gen. nov., is described with the type species S. shuangqiu Yu & Li, sp. nov. A key to cheiracanthiid genera distributed in East and Southeast Asia is provided.