![]() To conclude, the dynamics of the treatment affected the degree of infestation in bee colonies. The most discernible effects on the mite fall and the decline in their population in the hives was obtained with dustings repeated at three-day intervals. The results proved that dusting with pulverised sugar (particle diameter below 40 mu m) influenced the fall of V destructor in comparison with both their fall off prior to the treatment and the negative control. ![]() The research was carried out on 30 strong honey bee colonies in three successive years. Two methods were deployed to measure the degree of infestation of bee colonies with V destructor mites: the sugar shake method and the technique which involves mesh bottom boards equipped with sticky inserts. ![]() The aim of this work was the investigation on the efficacy of pulverised sugar dusting on knocking-down Varroa destructor mites and the influence of the dynamics of the treatment on the degree of infestation in honey bee colonies.
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