Robert Darrell commented on the effectiveness of oxalic acid in broodless
hives. This year I am going to try to use this in the following way:
I will find the queens in all hives in the spring and put each in a 3 frame
nucleus box without any sealed brood. I can vaporize oxalic in the nuc boxes
at that time and get all their mites. The main colonies I will leave to
raise their own queens. It takes 13 days till the queen emerges and another
7 days before she is bred and laying eggs. At this time there should be no
sealed brood left in the main hives and I can vaporize the oxalic in them at
that time.
Any comments?
Best regards,
Donald Aitken
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