Detection of fluvalinate resistance in Varroa destructor in Spanish apiaries

publication date: Sep 30, 2006
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Journal of Apicultural Research 
Vol. 45 (3) pp. 101 - 105
DOI10.3896/IBRA.1.45.3.01
DateSeptember 2006
 
Article TitleDetection of fluvalinate resistance in Varroa destructor in Spanish apiaries
Author(s)M J Gracia-Salinas, M Ferrer-Dufol, E Latorre-Castro, C Monero-Manera, JA Castillo-Hernández, J Lucientes-Curd, M A Peribáñez-López
AbstractA laboratory assay developed by Milani (1995) was used to assess the susceptibility to the acaricide fluvalinate in 10 populations of Varroa destructor Anderson and Trueman from apiaries in Aragón (northeastern Spain).We assayed mites at the diagnostic concentration (200mg/kg) predicted to kill all susceptible mites. In some populations, LC50 values were obtained. Some mites were resistant to fluvalinate, which is the first reported case of fluvalinate resistance in Varroa destructor in Spain. Thus, it is inadvisable to base mite control strategies on chemical treatment alone. There is urgent need to expand and implement more biorational strategies in the fight against V. destructor.
KeywordsApis mellifera, mite resistance, Varroa destructor, fluvalinate, control, Spain
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