In Alberta we put emphases on treating mites in early spring using Apivar. Strips are placed around this time of the year when population coming out of winter is small and brood is starting to build up. Thus after 6-8 weeks treatment is done and mite levels are below 1%. By the time fall comes, mites did not have much chance to build their populations to cause what is named mite bombs. The good thing when all beekeepers treat in spring most of them avoid this situation. In some cases if someone did not treat properly, he is a high risk to all neighbouring beekeepers. Overall, If mite levels are higher than what beekeepers like to see in bees going to winter, they treat fall treatment to ensure bees going to winter with 1% or less. It is nice to see monitoring has become a good practice to determine mite levels through the year and before putting bees to winter.





Medhat Nasr

Edmonton, Alberta Canada

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