Esterase activity polymorphism in Melipona scutellaris (Hymenoptera, Apidae, Meliponini) - Squieroli, A. C. S.; Baffi, M. A.; Vieira, C. U.; Borges, A. L.; Menezes, C.; Kerr, Warwick Estevam; Bonetti, A. M. (International Conference on Tropical Bees, 2004)