Article
Dynamics of cypermethrin resistance in the field in the horn fly, Haematobia irritans.
Medical and veterinary entomology - 1 Sept 2002
Guglielmone A A, Castelli M E, Volpogni M M, Anziani O S, Mangold A J
Abstract excerpt
The toxicity of cypermethrin to the horn fly Haematobia irritans (L.) (Diptera: Muscidae) was determined for samples collected from untreated herds at a farm in central Argentina from October 1997 to May 2001. Field tests of the efficacy of cypermethrin against horn flies were first carried out at this farm in 1993, when the fly was shown to be susceptible to pyrethroids. Subsequently the horn fly populations on...
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