>
>
> >describe them as ageing overwintered workers. Very few colonies are virus
> positive without overt symptoms.
In my experience, those bees have a different look than "aged" or
"robbing" bees. Their wings are clearly chewed, their setae are more
evenly removed, and they tend to quiver and not move around well.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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