Morphometric differences in a single wing cell can discriminate Apis mellifera racial types Tiago Maurício Francoy, Pedro Roberto Rodrigues Prado, Lionel Segui Gonçalves, Luciano da Fontoura Costa and David De JongApidologie, 37 1 (2006) 91-97DOI: https://doi.org/10.1051/apido:2005062