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Advisor(s)
Abstract(s)
The varroa mite (Varroa destructor) was first detected in Portugal in 1986. Since then, there has been a widespread use of fluvalinate (Apistan, Klartan) in the attempt to cope with it. Following (i) various credible international reports of increased varroa resistance to fluvalinate and (ii) repeated claims from national beekeepers of poor efficacy of Apistan treatments, a large screening project was setup (2003/2004) for trying to identify honeybee colonies hosting varroa populations resistant to fluvalinate in continental Portugal.
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Citation
Pires, Sância; Murilhas, António; Maia, Miguel; Pereira, Óscar (2005). How resistant to fluvalinate are varroa populations in Portugal? In 39th Apimondia International Apicultural Congress. Dublin.