Abstract
Three new species of the genera Thiania C. L. Koch, 1846 and Yaginumaella Prószyński, 1979 are described and named as T. bamiansp. nov. (♂♀), T. flacatasp. nov. (♀) and Y. curvatasp. nov. (♂♀), from Hunan Province, China. Detailed descriptions, photos of somatic features and copulatory organs, as well as a distribution map are provided. Nucleotide data for the barcoding gene, cytochrome c oxidase subunit I (COI) of T. bamiansp. nov. (♂♀) and Y. curvatasp. nov. (♀) are provided.