SEASONALITY AND COLONY VARIATION OF REPRODUCING AND NON-REPRODUCING VARROA JACOBSONI FEMALES IN WESTERN HONEY BEE (APIS MELLIFERA) WORKER BROOD J. M. KULINČEVIĆ, T. E. RINDERER and D. J. UROŠEVIĆApidologie, 19 2 (1988) 173-180DOI: https://doi.org/10.1051/apido:19880207