Silva, O. Rego, M.M.C. Albuquerque, P.M.C. Ramos, M.C.
Abelhas Euglossina (Hymenoptera: Apidae)em área de Restinga do Nordeste do Maranhão
Euglossina bees (Hymenoptera: Apidae)in an area with sandbanks in the northeast of the state of Maranhão, Brazil