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Development of the Bait Principle for Boll Weevil1 Control: Calco Oil Red N-1700®Dye for Measuring Ingestion2.3

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A simple and inexpensive technique for measuring ingestion by adult Anthonomus grandis Boheman is described. Identical results were obtained using both the chromic oxide method and a red dye (Calco Oil Red N- 1700®). Recovery of dye injected into adult weevils averaged 98%. No evidence of metabolism of the dye for as long as 8 hr postinjection was observed. The dye has no deleterious effects on the boll weevil, is easily recovered, and docs not require the use of dangerous chemicals prepared reagents, or a chemical reaction. Suggestions are made for formulating the dye to obtain uniform dispersions in aqueous media.

Document Type: Research Article

Publication date: April 1, 1969

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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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