Eleven species of Promecidia Lelej, 1996 are reviewed and keyed, and the diagnosis of the genus is given. The genus Promecidia is newly recorded from China and Promecidia abnormis Lelej, sp. n. (China: Guangdong, Hainan) and Promecidia chui Lelej & Xu, sp. n. (China: Yunnan, Hainan) are described and illustrated. New combination is proposed for Promecidia boopis (Kohl, 1882), comb. n. (from the genus Petersenidia Lelej, 1996). New status is proposed for Promecidia saturnia (Mickel, 1935), stat. n. and Promecidia samawangensis (Mickel, 1935), stat. n.
Keywords: Key to species; Oriental; Trogaspidiini; mutillid wasps; new combination; new species.