Abstract
Four species of Tassonia Girault are reported from China. Tassonia gloriae was the only species known so far from China. T. amaura and T. calunica are recorded for the first time. Tassonia setosa, sp. nov. is described. A key to the species is given. The specimens studied are deposited in the Institute of Zoology, Chinese Academy of Sciences, Beijing (IZCAS), unless mentioned otherwise.