Three new species of Coelidiana Oman, 1936 are described and illustrated: Coelidina bella sp.nov. (Sinop, Mato Grosso); C. stricta sp.nov. (Ariquemes, Rondônia) and C. diminuta sp.nov. (Bebedouro, São Paulo). Coelidiana sinopensis (Chiamolera & Cavichioli, 2000) comb. nov. (formely in Biza Walker). New geographical distribution data are also recorded for Coelidiana croceata Osborn, 1923; C. brasiliensis Linnavouri, 1965 and C. ferruginea Chiamolera & Cavichioli, 2000. A key to species is provided.
Key to males; new combination; new records