Assessing insecticide resistance and aversion to methomyl-treated toxic baits in Musca domestica L (Diptera: Muscidae) populations in southern California

Pest Management Science
Jonathan M Darbro, Bradley A Mullens

Abstract

Progeny of house flies (Musca domestica L) from ten California poultry operations, three dairies and one horse-riding facility were tested for methomyl- and muscalure-treated bait resistance using up to three different assays: a topical assay, a no-choice feeding assay and a choice feeding assay. LD50 resistance factors from the topical assay, compared with a locally-derived susceptible colony, ranged between 1 and 4. LC50 resistance factors from the no-choice feeding assay ranged mostly between 2 and 5, with one value of 18. Measurable LT50 resistance ratios for female flies in the choice feeding assay ranged from 43 to 159; two populations had <10% mortality at 48h and could not be measured. LT50 resistance ratios for male flies in the choice feeding assay ranged from 26 to 96, and one population was too resistant to measure. A behavioral assay tested the feeding preference of male and female flies provided a dish of sugar and a dish of methomyl- and muscalure-treated bait. Of eight strains tested, females from seven strains and males from six strains showed significant preference for sugar over bait. Behavioral factors appear to be important in the severe resistance of house flies to baits in California.

Citations

Sep 11, 2013·Journal of Invertebrate Pathology·Cristine R ZimmerFábio P Leivas Leite
Nov 11, 2010·Journal of Economic Entomology·Phillip E KaufmanMichael E Scharf
Apr 9, 2009·Journal of Medical Entomology·J G ScottA G Clark
Jun 6, 2009·Medical and Veterinary Entomology·A Ahmad, L Zurek
Dec 15, 2006·Archives of Insect Biochemistry and Physiology·Jian-Rong GaoJeffrey G Scott
Jan 6, 2015·Medical and Veterinary Entomology·K R Seraydar, P E Kaufman
Feb 6, 2018·Journal of Economic Entomology·Amy C MurilloBradley A Mullens
Jul 1, 2014·Pest Management Science·Amy C MurilloBradley A Mullens
Aug 28, 2018·Veterinary World·Mikhail Alekseevich LevchenkoUNKNOWN Ruzilya Khusanovna Bikinyaeva and Galina Fedorovna Balabanova

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