a John Canning snip followed by > my comment..
Erratic movement and on their backs suggests pesticide poisoning.
>could well be pesticide poison or some form of paralysis disease. as a general rule when something like this impacts an entire yard I think poison but if isolated to one or two hives (typically adjacent hives) I suspect paralysis disease.
>for virus you do want to follow Jim advice and freeze fresh bees and keep them frozen until you send them off.
Gene in Central Texas...
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