By eliminating all mites from hives with an effective chemical (studies typically used fluvalinate or coumaphos when they were still effective) and maintaining continuous treatment.  Then monitor daily sticky board drops, which would indicate the number of mites entering the hives via drift of bees or return of foragers that picked them up somewhere.



Interesting,   Does not seem very reliable or accurate to my thinking.   I assumed they were doing some sort of genetic marking/traceing.  Wondering how that would work since it seems all mites are so closely related.

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