Use of Carbon Dioxide, Nitrogen, and Cold to Immobilize Adults of the Mediterranean Fruit Fly

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While CO2 is commonly used to anesthetize insects, it has been reported to have adverse effects on the biology of some species (Brooks 1965, Edwards and Patton 1965, Edwards 1968). Sherman (1953) found that CO2 anesthesia of the Mediterranean fruit fly, Ceratitis capitata (Wiedemann), resulted in increased mortality. Early experience at this laboratory also was that CO2 was detrimental to C. capitata, and as a consequence adults have always been manipulated without anesthesia. However, before a projected investigation of the effect of gamma radiation on adult C. capitata could commence, a means of immobilizing adults to facilitate handling had to be found. We therefore evaluated the effect of different periods of chilling, nitrogen anesthesia, and CO2 anesthesia on mortality, female fecundity, and egg hatch.

Document Type: Research Article

Publication date: December 15, 1970

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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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