ASPECTS OF THE TROPHIC NICHE OF MELIPONA MARGINATA MARGINATA LEPELETIER (APIDAE, MELIPONINAE) A. KLEINERT-GIOVANNINI and V. L. IMPERATRIZ-FONSECAApidologie, 18 1 (1987) 69-100DOI: https://doi.org/10.1051/apido:19870107