>I have been pondering this a bit myself, We know that SHB congregate in hives that are already weakening. IE its easy to watch them expand quickly in hives that they are successful
>Is it possible that mites also can do this...
I can see an advantage for SHB to move to weak colonies, but why would varroa do this? If the colony dies then the mites die with it, so would it not be to their advantage to move to strong colonies?
Best wishes
Peter
52°14'44.44"N, 1°50'35"W
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