Hi All,

Re the mite being a clonal animal.
Gavin accurately said:
> It is also possible that the original population was mixed in the first 
> place, or that variation came in during successive waves, not obvious to 
> the beekeeper.

We know from empirical experience that the mite has ability to fairly 
rapidly evolve resistance to chemicals, and for those resistance genes to 
rapidly spread throughout the population.  Why would we think that the 
species couldn't quickly evolve in other ways?

Randy Oliver

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