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Reproductive ability and level of infestation of the Varroa destructor mite in Apis mellifera apiaries in Blumenau, State of Santa Catarina, Brazil - doi: 10.4025/actascibiolsci.v36i1.20366 3
Carneiro, Francisco Estevão; Universidade Regional de Blumenau; Barroso, Gustavo Valadares; Universidade de São Paulo; Strapazzon, Roger; Universidade Regional de Blumenau; Moretto, Geraldo; Universidade Regional de Blumenau.
Varroa destructor mite causes mortality of Apis mellifera bees throughout the world. Its greatest damage to these colonies has been reported in European countries and North America. The impact of the mite is related to the climate and the bee race on each region in which the plague has been established. Varroa causes little damage to the colonies of africanized honeybees in Brazil and the levels of infestation are relatively small and stable. The reproductive ability of Varroa females was evaluated in pupae of workers of 17-18 days of age, obtained from eight beehives of africanized bees for twelve months. The average number of offspring (deutonymphs, protonymphs and eggs) each Varroa produced was 3.18 ± 0.19. The average total number of deutonymph and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zoologia; Parasitologia; Comportamento animal; Varrosis; Grooming; Hygienic behavior; Tolerance; Mortality Parasitologia.
Ano: 2013 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/20366
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Uncapping activity of Apis mellifera L. (Hymenoptera: Apidae) towards worker brood cells infested with the mite Varroa destructor Anderson & Treuman (Mesostigmata: Varroidae) 82
Moretto,Geraldo; Guerra Jr.,José C.V.; Bittencourt,Carolina V..
Varroosis, a disease caused by the mite Varroa destructor Anderson and Treuman has killed hundreds of thousands of Apis mellifera L. colonies in various parts of the world. Nevertheless, the damage caused by this mite varies with the type of bee and climate conditions. Varroa causes little damage to Africanized bee colonies in Brazil, as the infestation rates are relatively stable and low. We evaluated the hygienic behavior (uncapping and removal of brood) of highly hygienic Africanized bees using combs with worker brood cells infested (naturally) and no infested with V. destructor. The daily uncapping rate, measured in eight colonies during six days, was 3.5 fold higher in the combs infested with varroa compared to no infested combs. The results show that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hygienic behavior; Varroosis; Natural infestation; Africanized honey bee.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2006000300002
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