Mutilation and Survival of Sterile Oriental Fruit Flies1 and Melon Flies1 Emerging in Drop Boxes2

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Samples of the adult sterile oriental fruit fly, Dacus dorsalis Hendel, and the melon fly, D. cucurbitae Co- quillett, emerging in drop boxes before aerial releases were made over Rota Island in the Marianas to eradicate these species, showed that the confinement significantly decreased survival and increased mutilation. The percentage survival of 3-week-old oriental fruit flies emerging in the drop boxes was 43.7% less than that of similar flies emerging in normal cubical holding cages for adults; that of melon flies was 35.5% less. Mutilation (wing or body damage) of both species was proportional to the density of the flies in the boxes, but the melon fly was the more susceptible to damage. Sugar + water (2:1 ratio) or honey + sugar + water (1: 1:1 ratio) made available during emergence caused significantly better survival of the melon fly than honey + water (2:1 ratio).

Document Type: Research Article

Publication date: April 1, 1968

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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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