>
> >What is the possibility mites have evolved formic resistance?
Anything is possible, but in this case, this would be highly unlikely. In
the first place, it would be highly unlikely that it would occur in more
than one colony, nor in only one year. Formic has been successfully used
for many years without such occurring. Most likely some other factor.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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