House Fly Control and Insecticide Resistance with Continued Use of Diazinon, Ronnel, and Dimethoate1
House fly, Musca domestica L., control and development of resistance was studied in Somerset and Hunterdon Counties, New Jersey, from 1962 to 1966, using 0.5 and 1.0% residual treatments with diazinon, ronnel, and dimethoate. Control varied from 0 to 86 and 0 to 56 days with 0.5 and 1.0% diazinon, respectively; from 0 to 7; and 38 to 87 days with 0.5 and 1.0% ronnel, and 0 to 69 and 15 to 91 days with 0.5 and 1.0% dimethoate. Resistance to diazinon, ronnel, malathion, dimethoate, lindane, and DDT was greatest in barns sprayed with diazinon. Use of ronnel did not result in high ronnel were obtained where 1% insecticide was used. Flies reared from manure collected in treated barns were generally equal to or more resistant than adult flies collected from the same barns. Flies collected in these barns and exposed on surfaces in the barn also showed high levels of resistance. Resistance decreased with flies tested late in the season. Overwintering spray deposits of diazinon were still toxic to susceptible flies the following spring but most of the ronnel and dimethoate were lost. Sanitation and weather conditions greatly affect breeding conditions and these in turn affect fly numbers. Resistancce increases in the summer, depending on these conditions and insecticide use, and decrease somewhat in winter months when the levels are measured in the fly population as a whole.
SD 8447 (2-chloro-l- (2,4,5-trichlorophenyl) vinyl dimethyl phosphate) gave control for 42 to 71 days and shows promise as a new material. Mobil MC-A-600 (benzo[b]thien-4-yl methylcarbamate) gave control for 10 to 26 days and turned an unsightly blue-gray color when in the presence of lime whitewash. Roth materials were applied at 1%.
Document Type: Research Article
Publication date: August 1, 1967
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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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