Insecticidal and Antifeedant Activity of Neriifolin Against Codling Moth, Striped Cucumber Beetle, and Japanese Beetle

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Neriifolin, a known cardiotonic glycoside isolated from seeds of the yellow oleander, Thevetia thevetioides (HBK.) K. Schum, was active both as a toxicant and feeding deterrent to the stnped cucumber beetle, Acalymma vittatum (F.) (Coleoptera: Chrysomelidae), in laboratory and greenhouse studies. Protection or' treated cantaloupe plants from feeding beetles was afforded for 7 days, and application through the roots indicated a systemic action. Against the codling moth, Laspeyresia pomonella (L.) (Lepidoptera: Olethreutidae), neriifolin retarded growth and caused greater than 70% mortality of insects when fed diet treated with 3 ppm as neonate larvae. Effectiveness extended into the F1 generation, causing decreased oviposition and egg hatch at all concentrations tested. It also acted as a contact toxicant with 100% mortality at dosages greater than 50 mg/ml on young larvae. Neriifolin provided protection for 5 days on soybeans acting as a feeding deterrent against the Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae).

Document Type: Research Article

Publication date: December 1, 1982

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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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