Seven new species of Monohelea Kieffer are described and illustrated and new records from M. affinis Felippe-Bauer & Spinelli, M. guaimiesi Lane & Wirth and M. maculipennis (Coquillett) are given based on specimens collected in Pará State, eastern Brazilian Amazon. The new species are compared with their similar congeners and the distributional records of both new and previously described species are presented in Figure 1. A key for identification of the Brazilian Amazonian species of Monohelea is also provided.
Two new species of predaceous midges of the subgenus Eukraiohelea Ingram & Macfie of Stilobezzia Kieffer are described and illustrated: Stilobezzia (Eukraiohelea) proxima n. sp. and S. (E.) quasielegantula n. sp. The previously known New World species, Stilobezzia (E.) elegantula (Johannsen) is redescribed and illustrated. The species are illustrated through photomicrographs from adult males and females collected in the Brazilian state of Rio de Janeiro. A key to adults of the five American species of Stilobezzia (Eukraiohelea) is also provided.
Two new Brazilian species of Monohelea Kieffer are described and illustrated based on male specimens, Monohelea capixabasp. nov. from Espírito Santo and Monohelea coimbraisp. nov. from Rio de Janeiro. New records for M. aguirrei Tavares & Souza, M. archibaldoi Tavares & Souza and M. maculipennis (Coquillet) are given based on specimens from Espírito Santo (all three species) and Amapá (M. maculipennis only). All specimens are deposited in the Ceratopogonidae Collection of Fundação Oswaldo Cruz, Brazil.
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