I tried MAQS in July and the treatment failed to control mites. I tried
it again on 160 hives in August with better results. I used one and a
half strips per double-deep hive, and two strips for triple-deeps. I
saw an immediate mite drop that amounted to hundreds or thousands of
mites per hive after one week (did not see much mite drop at all back in
July.) I saw no queen problems in hives treated with one and a half
strips, but some dead queens in the larger hives treated with two
strips. After treatment I saw some brood emerging with DWV caused by
varroa parasitism during developement, but no mites alive on the
emerging brood after treatment in the double-deep hives. It appeared
that the treatment did not work as well in the small number of
triple-deeps I treated.
I am going to do another 80 hives (some of which are definitely on
death's door) later this week. These bees are in hot temperature
locations so I will observe how well the warmer hives cope with it.
--Jeremy Rose
San Luis Obispo, CA
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