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Date: | Tue, 9 Dec 2014 07:51:51 -0500 |
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> New miticides (Thymovar and HopGuard) to manage varroa mites were evaluated during the spring and fall treatment windows of the Canadian prairies to determine their effectiveness as part of an integrated management strategy. Thymovar and HopGuard were evaluated alongside the currently used industry standards: Apivar and formic acid.
> Results demonstrated that Apivar and formic acid remain effective V. destructor management options under spring and fall conditions. Applications of Thymovar during spring were associated with a reduction in brood area, and therefore should be limited to the fall season. Treatment with Thymovar caused a drastic reduction in brood production.
> The miticide HopGuard was not effective in managing V. destructor, and alteration of the current delivery system is necessary. The findings in this study regarding HopGuard are significant, as it is the first study that involves the application of HopGuard to colonies with brood.
Vandervalk, L. P., Nasr, M. E., & Dosdall, L. M. (2014). New Miticides for Integrated Pest Management of Varroa destructor (Acari: Varroidae) in Honey Bee Colonies on the Canadian Prairies. Journal of Economic Entomology, 107(6), 2030-2036.
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