Cold Storage of Oranges as a Disinfestation Treatment Against the Fruit Flies Dacus tryoni (Froggau) and Ceratitis capitata (Wiedemann) (Diptera: Tephritidae)

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The presence in Australia of the Queensland fruit fly, Dacus tryoni (Froggatt), and Mediterranean fruit fly, Ceratitis capitata (Wiedemann), restricts access for Australian oranges to some world markets because of plant quarantine regulations. Oranges infested with eggs, young larvae, or old larvae of these insects were stored for various periods at 1 or 1.5. For both insects, eggs were the stage most susceptible to cold in oranges, and no significant difference in cold tolerance was seen between young and old larvae. D. tryoni larvae were generally less cold-tolerant than those of C. capitata. The effectiveness of 16 d storage at 1.0(±0.5) against both insects was demonstrated by 100%mortality on treating more than 90,000 D. tryoni larvae and more than 40,000 C. capitata larvae in oranges.

Document Type: Research Article

Publication date: February 1, 1988

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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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