The genus Pelidnoptera Rondani is taxonomically reviewed based on examination of the type series. Pelidnoptera triangularis, sp.n. from Japan, the Russian Far East and Nepal, and Akebono vernalis, gen. & sp.n. from Japan are described and illustrated. The lectotype of P. leptiformis (Schiner) is designated here based on the examination of syntypes in the Naturhistorisches Museum, Wien.