A scientific note of an application of isotope ratio mass spectrometry to feeding by the mite, Varroa jacobsoni Oudemans, on the honeybee, Apis mellifera L. Judith Principal de D'Aubeterre, David D. Myrold, Lynn A. Royce and Philippe A. RossignolApidologie, 30 4 (1999) 351-352DOI: https://doi.org/10.1051/apido:19990413