> >Late season reinfestation is the biggest problem in our region and wipes
> out the benefit of early season treatment.


I also see this in some of my yards, apparently dependent upon unmanaged
hives in the area (some belonging to so-called beekeepers).  However,
late-season immigration is an entirely different subject than the benefit
of a brood break.


-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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