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Mahlmann, T., Oliveira, F.F. de and Oliveira, M.L. de 2023. Taxonomy of South American species of Ceratina (Calloceratina) Cockerell, 1924 with comments on new species-groups proposed for this subgenus (Hymenoptera: Apidae: Xylocopinae). EntomoBrasilis. 16, (Nov. 2023), e1062. DOI:https://doi.org/10.12741/ebrasilis.v16.e1062.