> On Apr 22, 2017, at 2:46 PM, randy oliver <[log in to unmask]> wrote:
> 
> 
> My question was about this temporary gap created between the brood and the
> honey stores above.  I do not observe this happening in the Calif
> foothills, as the cluster remains in contact with the honey above.
> 
> So again, can anyone else in a colder climate confirm that they've seen
> this happen?

This thread reminds me of the one that came through a couple of months back about wrapping colonies vs. not wrapping them.  There was a detailed study of temperature that was posted to that thread with colonies that were either wrapped, unwrapped or heated.  It showed that large colonies can generate enough heat to move regardless of other considerations.  I suspect that these colonies that get “stuck on brood” (the name we have for it in this area) are smaller colonies.

I also suspect that many of the new beekeepers that describe this happening to them are in realty losing their colonies to varroa.

David Baker
To Bee or Not To Bee
Denver, CO USA

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