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Newer Acaricides and Insecticides in the Control of Ectoparasites of Poultry1

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The northern fowl mite (Ornithonyssus sylviarum (C. & F.)) presents an economic problem of increasing importance in Georgia, nearby states, and probably in other parts of the United States. Increasing incidence is here reported from 18 states while only Washington reported a decrease. Preliminary screening tests were conducted with seven chemicals. Of these 5% Sevin dust, 1.5% dieldrin dust, 25% S-MP powder, and 25% PS-256 powder were found ineffective in control. Dow ET-57, Sulphenone, and Trithion showed promise. Field testing showed that 10% Sulphenone dust reduced the population but did not eradicate the mite. In two field experiments 5% Dow ET-57 dust brought about complete eradication for 8 or more weeks after treatment. Dow ET-57 was also effective in eradication of four species of lice: Eomenacanthus stramineus (Nitz.), Menopon gallinae (L.), Lipeurus caponis -(L.) and Goniocotes gallinae (DeG.) from 195 hens in one of the field trials. Similar results were achieved on the northern fowl mite using 5% Trithion dust. Five per cent malathion dust eradicated an infestation of the sticktight flea, Echidnophaga gallinacea (Westw.). An experiment on hatchability showed no effects upon 90 birds treated with Dow ET-57 as compared with 90 untreated controls. No unfavorable taste effects upon eggs or toxicity symptoms in birds treated with Dow ET-57 or Trithion were observed in these tests.

Document Type: Research Article

Publication date: April 1, 1958

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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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