Nemésio, A. and Ferrari, R.R. 2012. The species of Eulaema (Eulaema) Lepeletier, 1841 (Hymenoptera: Apidae: Euglossina) from eastern Brazil, with description of Eulaema quadragintanovem sp. n. from the state of Ceará. Zootaxa. 3478, 1 (Sep. 2012), 123–132. DOI:https://doi.org/10.11646/zootaxa.3478.1.15.