Oriental Fruit Fly Eradication by Male Annihilation


Source: Journal of Economic Entomology, Volume 58, Number 5, October 1965 , pp. 961-964(4)

Publisher: Entomological Society of America

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During 1962–63 cane-fiber squares saturated with a solution of methyl eugenol-3% naled (by volume) and dropped from the air or suspended from trees eradicated a heavy infestation of oriental fruit flies, Dacus dorsalis Hendel, from the semi-isolated 33-square-mile Island of Rota, Mariana Islands. Most of the squares were dropped at 2-week intervals from an airplane flying over lines 1/5 mile apart. In inhabited areas permanent bait stations, re-treated monthly, were suspended from trees in lieu of aerial drops. Only 3.4 g of toxicant/acre were required for the entire operation.

Male fly populations declined 99.6% within 1 generation. Virgin, sexually mature females were attracted and killed by the lure, but only after the male population was depressed 99%. Virgin females constituted 93% of flies caught in the 4th month; this response may have increased the efficiency of the method. Fly catches and fruit infestations ceased during the 6th month. The island has been free of oriental fruit flies for more than 24 months.

Document Type: Research Article

Publication date: October 1, 1965

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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