> <So we need a term for the degree to which a strain of varroa is able to
> successfully reproduce to high levels in a colony>
> That's commensalism, no?
No, is parasitism. Unrestricted growth of varroa may eventually overwhelm
a colony, but without the presence of mite-adapted viruses, it takes an
incredibly high mite infestation rate.
--
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com
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