Mediterranean Fruit Fly: Control in Tunisia by Strip Treatment with a Bait Spray of Technical Malathion and Protein-Hydrolyzate

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Infestations of Ceratitis capitata (Wiedemann) in summer fruits in Tunisia were reduced 80–100% when treatments of technical (95%) malathion and PIB-7 (protein hydrolyzate) were applied by air at a rate of 300 cc toxicant and 1200 cc protein/ha to strips 50 m wide that were alternated with untreated strips 200 m wide. Also, treatments reduced the population of adult flies 84.9% (range 54.8–94.6%) on the basis of trap catches. When the untreated strips were 450 m wide, the population was reduced 68.4% on the basis of trap catches and 80.1 % on the basis of the number of larvae found in figs. Treatments were begun in July during the initial buildup of the population and were continued through September. Nevertheless, 33–50% less toxicant was used than is used for the standard full-coverage fall applications used to protect citrus crops, and all susceptible crops received protection, not just citrus.

Document Type: Research Article

Publication date: April 1, 1975

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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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