Control of Varroa jacobsoni Oud. resistant to fluvalinate and amitraz using coumaphos

Patti J. Elzen, James R. Baxter, Marla Spivak, William T. Wilson

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115 Scopus citations

Abstract

We conducted laboratory tests investigating the mortality of mites infesting honey bee colonies in Minnesota after exposure to fluvalinate, amitraz, or coumaphos. Results indicated that these mites were not only resistant to fluvalinate, but also to amitraz. Coumaphos was effective against these resistant mites. A separate field trial was conducted with the same hives as those used in the laboratory test. The field trial supported the laboratory results, showing that mites in Minnesota are resistant to both fluvalinate and amitraz, and that coumaphos is effective in controlling these mites. This represents the first known reported case of amitraz resistance in Varroa jacobsoni in the U.S.A.

Original languageEnglish (US)
Pages (from-to)437-441
Number of pages5
JournalApidologie
Volume31
Issue number3
DOIs
StatePublished - 2000

Keywords

  • Amitraz
  • Coumaphos
  • Fluvalinate
  • Resistance
  • Varroa jacobsoni

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