New species and new records of Monohelea Kieffer (Diptera, Ceratopogonidae) from Brazil.

Two new Brazilian species of Kieffer are described and illustrated based on male specimens, from Espírito Santo and from Rio de Janeiro. New records for Tavares & Souza, Tavares & Souza and (Coquillet) are given based on specimens from Espírito Santo (all three species) and Amapá ( only). All specimens are deposited in the Ceratopogonidae Collection of Fundação Oswaldo Cruz, Brazil.