Variation in the incidence of the mite Varroa destructor in brood cells and adult workers in Africanized honey bees (Apis mellifera L.) with a high degree of hygienic behavior, in winter and in summer - Issa, Marcia Regina Cavichio; Pereira, Rogério Aparecido; Morais, Michelle Manfrini; De Jong, David; Gonçalves, Lionel Segui (Encontro sobre Abelhas, 2012)