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Phenethyl esters of C1–C6 carboxylic acids, all combined 7:3 with eugenol, were tested in traps for attractancy to Popillia japonira Newman in Clermont, Georgia, and Gibbsboro, New Jersey. The most attractive lures, phenethyl propionate and phenethyl acetate, were about equally attractive; their homologues, phenethyl butyrate, phen- ethyl valerate, phenethyl formate, and phenethyl hexanoate, were significantly less attractive. Among esters of the branched carboxylic acids, phenethyl isobutyrate was significantly less attractive than phenethyl butyrate. Many C5 and C6 acids caught more beetles than their straight-chain analogues, but the best of these compounds captured only about 25% as many beetles as phenethyl acetate or propionate.
Document Type: Research Article
Publication date: April 16, 1973
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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.