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>Varroa is believed to overwinter as adult females on the bees.  These females
>can be fertilised or un-fertilised.  But in no way unfortunately does varroa
>overwinter as an egg.  The eggs are only found in sealed brood, when present.
 
This is interesting.  Can you expand more on the life cycle of Varroa, or
are there some good references to learn about the habits of this pest?
 
Paul Cronshaw DC
Hobbiest Beekeeper
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