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Subject:	Re: Extreme Cold Wipes out Honey Bees Across Iowa
From:	Robin Dartington <[log in to unmask]>
Reply To:	Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:	Sat, 22 Mar 2014 15:50:38 +0000
Content-Type:	text/plain
Parts/Attachments:	text/plain (15 lines)

> On 22 Mar 2014,  "J. Waggle" wrote:
> 
> I wonder if the honeybee cluster movement is
> triggered by the movement or signal from a single
> bee, it would be highly unlikely that it is a spontaneous
> movement, -it must originate with a single bee.

Why a single bee?  All the outer bees on the lower part of the cluster would be the coldest , so first to use up food in tummies due to greatest shuddering to keep warm.  So a whole wave would need to press their way inside to re-fuel.  The following wave would push them always in the same direction, upwards, setting up a persistent 'convection' current. 

Robin 
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