Could It Be Parasites, Pathogens Or Pesticides?
In the United States, half a million to a million colonies out of a total 2.4 million colonies have died this winter. Both tracheal mites (Acarapis woodi) and varroa mites (Varroa destructor) have threatened the bee industry since the 1980s, causing similar catastrophic die-offs to bee populations in the winters of 1995-96 and 2000-01. The mites feed on U.S. honeybees and act as a vector for a number of bee viruses, though varroa mites are especially deadly.
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