Spectrum of Insecticide Cross-resistance in Pyrethroid-resistant Populations of Haematobia irritans (Diptera: Muscidae)

Authors: Byford, Ronnie L.; Quisenberry, Sharron S.; Sparks, Thomas C.; Lockwood, Jeffrey A.

Source: Journal of Economic Entomology, Volume 78, Number 4, August 1985 , pp. 768-773(6)

Publisher: Entomological Society of America

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Abstract:

Pyrethroid (permethrin and fenvalerate)-resistant populations of Haematobia irritans (L.) were bioassayed with five pyrethroids: permethrin, fenvalerate, cypermethrin, flucythrinate, and deltamethrin. Resistance ratios (LD50 population รท LD50-susceptible population) for the Ben Hur population ranged from 6.9 for permethrin to 85.8 for cypermethrin, while those for the Red River population ranged from 12.1 to 35.3 for permethrin and cypermethrin, respectively. Resistance to DDT in the Red River population was 51.5-fold and there was only a low level of cross-resistance (0.8- to 4.8-fold) to a carbamate (bendicarb) and three organophosphorus (dioxathion, stirofos, sulprofos) insecticides. The level of synergism observed for cypermethrin in the resistant Red River population was 2.2- and 3.5-fold greater (for DEF and piperonyl butoxide, respectively) than that observed in the susceptible population, suggesting that metabolism alone cannot account for the level of resistance (35-fold) observed. Due to the broad spectrum of pyrethroid cross-resistance, the future of pyrethroids in ear tags for the control of H. irritans appears to be very limited.

Document Type: Research Article

Publication date: August 1, 1985

More about this publication?
  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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