JV: The assumption is that these differences are primarily from ways in which the bees or brood allow mites to survive or reproduce.
Assumptions are dangerous. I am glad to notice that a few respondents to this thread are flirting with the idea that *mites* have behaviors. In thinking about the biology of a host-parasite problem, it is a big mistake to forget/neglect that BOTH participants "behave". We know very little about mite behavior. It is time to remedy that, IMO.
Christina
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