Mortality of Tephritids Attracted to Guava Foliage Treated with Either Malathion or Naled Plus Protein-Hydrolysate Bait

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When either technical malathion or naled plus undiluted protein hydrolysate (PIB-7) was applied to guava foliage to control the oriental fruit fly, Dacus dorsalis Hendel; the Mediterranean fruit fly, Ceratitis capitata (Wiedemann); and the melon fly, D. Cucurbitae Coquillett, naled caused more immediate mortality, but malathion had greater residual effectiveness. Also, the effectiveness of malathion was directly proportional to the ratio of the concentration of toxicant to PIB-7 (1:4>1:16>1:64>1:256>1:1230>1:2460) when the amount of formulation applied was the same. About the same results were obtained when native and laboratory-reared (sterile) flies had free access to the exposed baits as when known numbers of laboratory-reared flies were confined in cages over the baits.

Document Type: Research Article

Publication date: October 15, 1971

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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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