Wille, A. (1979) “Phylogeny and relationships among the genera and subgenera of the stingless bees (Meliponinae) of the world”, Revista de Biología Tropical, 27(2), pp. 241–277. Available at: https://revistas.ucr.ac.cr/index.php/rbt/article/view/25677 (Accessed: 25November2024).