Bees infected by viruses have been shown to have poorer homing ability (Kralj, Li), so could increase the amount of drift.
Yes, but unless I mis-read that’s exactly the opposite that’s being reported. The only thing that makes any sense here is that drifting "attempts" are a constant, and only noticeable in hives that allow them in.
This falls contrary to what I have read and thought, in that pretty much any drifter with cargo was accepted.
Charles
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