From the post it, in this case, appears that cell size had no effect on
Varroa tolerance but the bee is the defining factor, since the 1,000
colonies were requeened and that made the difference. One can infer that
they were not small cells, but if they were, then they had Varroa and
were also collapsing. If they were large cell, they also were collapsing
but a new queen added resistance, in spite of the cell size.

Cell size may still have an effect, but here it seems that it is the bee.

What were what is/are the race/s of bees that the Weaver stock was
derived from? It seems that more than one is involved.

Bill Truesdell
Bath, Maine

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