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Free Access Nectar foraging by stingless bees in Costa Rica: botanical and climatological influences on sugar concentration of nectar collected by Melipona p. 43 Jacobus C. Biesmeijer, Martin J.A.P. Smeets, Julliette A.P. Richter and Marinus J. Sommeijer DOI: https://doi.org/10.1051/apido:19990106 AbstractPDF (878.9 KB)
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