Head of Ceratina (Ceratinula) Moure, 1941 species in frontal view A (female holotype) B (male paratype) Specimens of Ceratina (Ceratinula) fioreseana sp. nov., deposited at the Entomological Collection of the Natural History Museum of the Federal University of Bahia (MHNBA-MZUFBA), in Salvador, Bahia, Brazil C, D Ceratina (Ceratinula) manni Cockerell, 1912: C female specimen from Amélia Rodrigues, Bahia, deposited at the Reference Collection of the Laboratório de Bionomia, Biogeografia e Sistemática de Insetos (BIOSIS), Federal University of Bahia (MHNBA-MZUFBA), in Salvador, Bahia, Brazil D male specimen from Crato, Ceará, deposited at the Entomological Collection of the Federal University of Integração Latino-Americana (CE-UNILA), in Foz do Iguaçu, Paraná, Brazil. Drawings by Luisa de Lima Ruschioni.