OLIVEIRA FF DE, DE SOUSA SILVA LR, ZANELLA FCV, GARCIA CT, PEREIRA HL, QUAGLIERINI C, PIGOZZO CM. 2020. A new species of Ceratina (Ceratinula) Moure, 1941, with notes on the taxonomy and distribution of Ceratina (Ceratinula) manni Cockerell, 1912, and an identification key for species of this subgenus known from Brazil (Hymenoptera, Apidae, Ceratinini). ZooKeys 1006: 137–165.