Studies on Control of House Flies¹ in Egypt by Chemosterilants. II. Effect of Metepa on Musca sorbens²

Authors: HAFEZ, MAHMOUD; OSMAN, M. F.; ERAKEY, M. A. S.

Source: Journal of Economic Entomology, Volume 63, Number 1, February 1970 , pp. 213-214(2)

Publisher: Entomological Society of America

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Abstract:

Successful sterilization of adults of Musca sorbens Wiedemann was achieved using metepa either mixed with the adult food or as a residual film to which adult flies were exposed. In both cases females were found to be more susceptible than males to the effect of the chemosterilant.

Mixed with the adult food, metepa caused complete sterility in males at a concentration of 1.6%. In females this occurred at 0.8-1.2% and the total output of eggs per female was greatly reduced to less than 5% of the control. Oviposition was inhibited at 0.8-2.0%.

Tarsal contact with residues of metepa on glass surface showed that concentrations of 10 and 25 mg(0.09 m² caused complete sterility in males and inhibition of oviposition in females. No oviposition occurred when the females were exposed to a residue of 5 mg(0.09 m₂.

Successful competition of metepa-sterilized and normal males in mating with normal females was achieved at ratios of 100:10:10 and 50:10:10, in which case 100% sterility was obtained.

Document Type: Research article

Publication date: 1970-02-01

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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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