Molecular phylogeny of the stingless bees (Apidae, Apinae, Meliponini) inferred from mitochondrial 16S rDNA sequences Marco A. Costa, Marco A. Del Lama, Gabriel A.R. Melo and Walter S. SheppardApidologie, 34 1 (2003) 73-84DOI: https://doi.org/10.1051/apido:2002051