Radiosterilization vs. Chemosterilization 1n House Flies and Mosquitoes¹

Authors: SCHMIDT, C. H.; DAME, D. A.; WEIDHAAS, D.E.

Source: Journal of Economic Entomology, Volume 57, Number 5, October 1964 , pp. 753-756(4)

Publisher: Entomological Society of America

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Abstract:

Laboratory tests were conducted during 1961 and 1962 tocompare the effectiveness of males of the house fly, Musca domestica L., and the common malaria mosquito. AnoPheles quadrimaculatlls Say. sterilized by apholate or tepa and by gamma radiation. For radiosterilization, house fly pupae were treated 31-54 hr prior to eclosion with2850 r and mosquito pupae at least 24 hr old with 10000 or 12000 r from a cobalt-60 source supplying 736± 33 r/min. For chemosterilization, house fly male adults I day old were fed 10/0apholate in the diet for 3 days and mosquito male adults for 3--4 days after emergence. Mos- quito male adults 0-24 hr old were also exposed to con- tact residues containing 7 mg/ft² of tepa. The most important criterion of effectiveness was the reduction in number of viable egg batches from females confined with both treated and untreated males. Results from chemo- sterilization equaled or surpassed those from radiosterili- zation. With mosquitoes, highly competitive. yet per manently sterile, males were more attainable with chemo- than with radiosterilization. With house flies either method seemed adequate. but the slightly greater degree I day old were fed 10/0apholate in the diet for 3 days and of recovery after irradiation than after chemosterilization mllst be considered.

Document Type: Research article

Publication date: 1964-10-01

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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