In a message dated 97-05-19 20:22:29 EDT, you write:
 
<< (there may always be a background
 hum of fluvalinate in a colony) ?  Will it kill mites infesting brood
 whose cell walls contain residues ?  Should we be going to the expense of
 trying to break the residues down, or encourage them ? >>
 
   My understanding of the way pesticide and drug resistance develops is
exposure of the target pest to less than lethal doses of the drug or
pesticide.
Therefore residues of fluvalinate in the wax may hasten the arrival of
resistant varroa mites.