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1998•Journal of Economic EntomologyRequires access

Increased Susceptibility of Pyrethroid-Resistant Horn Flies (Diptera: Muscidae) to Chlorfenapyr

Craig Sheppard, John A. Joyce

Open publisher page 59 citations

Abstract

Chlorfenapyr (AC 303630) was found to be 5 times as toxic to pyrethroid-resistant horn flies, Haematobia irritans (L.), as to susceptible. We hypothesize this difference occurs because higher levels of mixed function oxidises in the resistant flies convert more chlorfenapyr (a pro-insecticide) to the insecticidal form. This negative cross-resistance between chlorfenapyr and pyre thyroids offers new resistance management possibilities.

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What this paper is about

Chlorfenapyr (AC 303630) was found to be 5 times as toxic to pyrethroid-resistant horn flies, Haematobia irritans (L.), as to susceptible. We hypothesize this difference occurs because higher levels of mixed function oxidises in the resistant flies convert more chlorfenapyr (a pro-insecticide) to the insecticidal form. This negative cross-resistance between chlorfenapyr and pyre thyroids offers new resistance management possibilities.

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OpenAlex reports 59 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Chlorfenapyr (AC 303630) was found to be 5 times as toxic to pyrethroid-resistant horn flies, Haematobia irritans (L.), as to susceptible. We hypothesize this difference occurs because higher levels of mixed function oxidises in the resistant flies convert more chlorfenapyr (a pro-insecticide) to the insecticidal form. This negative cross-resistance between chlorfenapyr and pyre thyroids offers new resistance management possibilities.

Key concepts: Chlorfenapyr, Haematobia irritans, Muscidae, Biology, Pyrethroid, Pesticide resistance, Nuisance, Toxicology

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Increased Susceptibility of Pyrethroid-Resistant Horn Flies (Diptera: Muscidae) to Chlorfenapyr — Research Paper | ScholarLens