>
> >Someone is going to respond we use more pesticides in the US which is
> true.


I'm not sure that that statement is true--see the attachment.  I created
this from WHO data.

> I think I have a much better mite control program than anyone else around
> here and my losses are low so far.
>

Imagine that! : )

>Locally we see the biggest problem with the super strong hive Aug 1 often
dying from too many mites a few months later.

That observation is not just for your locality--it has long appeared to be
universal.  Bob Harrison pointed it out on the List way back in the early
2000's.

 > Now, which colony goes out on robbing trips and brings home lots of
unwanted guests?  Some dink or your strongest hive?

In my own monitoring of potential mite-resistant breeder hives, it appears
that a percentage of them got removed from the program in fall due to them
having robbed out mite-infested hives.  Thus, I may be selecting against
robbing behavior.



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

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