Effects of Pheromone Release Rate and Time of Day on Catches of Male and Female Papaya Fruit Flies (Diptera: Tephritidae) on Fruit Model Traps Baited with Pheromone

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In field tests, we compared catches of papaya fruit flies, Toxotr1Jpana curvicauda Gerstaecker, on fruit model traps baited with dispensers releasing pheromone (2,6- methylvinylpyrazine) at different rates. Both male and female papaya fruit flies were attracted to traps baited with pheromone. Most were caught in the 2 h before dusk. Greatest numbers of both sexes were caught on traps with dispensers that released 12 male equivalents (approximately 960 ng/h). Patterns of catches of mated and unmated females over the range of pheromone release rates tested were different. High numbers of mated females were trapped at all release rates, indicating a strong visual response to the fruit model. Unmated females were more strongly attracted by the pheromone, with greatest catches occurring at a rate of 8 male equivalents.

Document Type: Research Article

Publication date: October 1, 1990

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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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