Morphological and molecular characters reveal differentiation in a Neotropical social bee, Melipona beecheii (Apidae: Meliponini) José Javier G. Quezada-Euán, Robert J. Paxton, Kellie A. Palmer, William de J. May Itzá, Wee Tek Tay and Benjamin P. OldroydApidologie, 38 3 (2007) 247-258DOI: https://doi.org/10.1051/apido:2007006
