Role of kdr and esterase-mediated metabolism in pyrethroid-resistant populations of Haematobia irritans irritans (Diptera: Muscidae) in Brazil.


The horn fly, Haematobia irritans irritans (L.) (Diptera: Muscidae), has become a problem for Brazilian cattle producers even though its introduction into Brazil is relatively recent. Failure to control this cattle pest is becoming a concern, and horn fly populations from several ranches from the state of Mato Grosso do Sul were surveyed for pyrethroid… (More)

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