> <<<As I have some yards that have been exposed to Varroa it is my
> intention to treat these with Apistan this fall.
 
Well, I wonder if any varroa can be detected.
 
What is the cost of sampling vs. treatment?
 
What is the effect of fluvalinate on wintering bees?
 
My understanding is that it is a poison that affects the bees only
to a lesser extent than the mites.
 
Why use it if no mites can be found?
 
Regards
 
Allen
 
W. Allen Dick, Beekeeper                                         VE6CFK
RR#1, Swalwell, Alberta  Canada T0M 1Y0
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Honey. Bees, & Art <http://www.internode.net/~allend/>