Etienne, I also wondered whether heat generation by the "winter bees" (by
contracting their wing muscles( leads to more rapid "aging."
To my surprise, that doesn't appear to be the case, as the survivorship
rate of "winter bees" is quite high until a few weeks after they begin
broodrearing and perhaps foraging in early spring.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
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