Dressler, R. L. (1982) “New species of <i>Euglossa</i> IV. The <i>cordata</i> and <i>purpurea</i> species groups (Hymenoptera: Apidae)”, Revista de Biología Tropical, 30(2), pp. 141–150. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/25235 (Accessed: 28April2024).