Apiguard … epic fail (as my son would say). Just finished Apiguard treatment on my colonies. Limited mite drop from most of them. There was one exception, a colony that had failed to build up after a mid-summer setback. It had quite a bit of sac brood and a very large drop of mites. 4 weeks later (two Apiguard treatments) and there were loads of DWV-addled bees tottering about, some with phoretic mites still attached. I moved the colony away from the apiary, removed the queen and shook the bees out.
Has anyone else noticed that the DWV-afflicted bees are the most difficult to shake off the frames?
I went through the frame or so of brood … 50% of the capped pupae had mites associated. B'stards.
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