Dick wrote:
> I'm trying to get my head around the idea that brood-rearing startup is secondary to the bees reacting to the cold. Maybe I'm reading this wrong.

No, I don't think so. I think you are right in suggesting they may be marching to the beat of a drum *we don't hear*. I was going to mention the tilt of the earth on its axis, but I didn't want people to think I had completely lost it. There again, a hardwired annual cycle is certainly not far fetched. 

plb

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