Oliveira, Marcio Luiz de, Instituto Nacional de Pesquisas da Amazônia, Manaus, AM, Brazil, Brazil

• EntomoBrasilis Vol. 16 (2023) - Taxonomy and Systematics
  Taxonomy of South American species of Ceratina (Calloceratina) Cockerell, 1924 with comments on new species-groups proposed for this subgenus (Hymenoptera: Apidae: Xylocopinae)
  Abstract  PDF