"I've been putting in hours and hours on the math and plotting out ways to account for where those mites could come from within the hive.  The problem is, in every simulation that I can come up with, based upon research findings, the varroa reproductive rate drops off substantially later in the season."



When the varroa reproduction rate drops off they're spending much more time riding on bees rather than being tucked away in cells.  This means that there will be an apparent spike in numbers if they are dislodged from bees and counted at this time.


Chris



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