I'm looking for a reference that might document the appearance of
resistance by Varroa mites to chemicals used by beekeepers to treat mites.
An article by Sue Hubbell in Natural History magazine last year referred to
this phenomenon.  Thanks.
 
Dr. David W. Inouye
Dept. of Zoology
University of Maryland
College Park, MD 20742
301-405-6946
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http://www.inform.umd.edu/EdRes/Colleges/LFSC/FacultyStaff/dinouye