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United States Department of Agriculture

Agricultural Research Service

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Image Number K11145-2

Varroa mites are a major threat to honey bee health and are becoming resistant to two compounds (coumaphos and fluvalinate) used to control them. Beekeepers now have a simple assay to determine whether mites are resistant and thus ensure use of appropriate control measures.

Photo by Stephen Ausmus.

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Last Modified: 10/13/2016
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