>  >All feral AHB in the US survive treatment free.

Not true at all.  Enough AHB survive that they appear to thrive, but 
many individual colonies do not for multiple reasons.

And what exactly is AHB anyhow?  Everyone *seems* to know, but in fact 
nobody does know.  As we have discussed here before, there is no clear 
line between AHB and non-AHB.

 > The problem might lay in the combination of treatment free and 
(bee)keeping.

And what problem exactly might that be?

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