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Ovipositional and Feeding Deterrent from Chinese Prickly Ash Against Angoumois Grain Moth (Lepidoptera: Gelechiidae)

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As alternatives to synthetic organic insecticides, botanical materials are being investigated to control stored-product insects. To determine the bioactive components in Chinese prickly ash, Zanthoxylum bungeanum Maxim, against Angoumois grain moth, Sitotroga cerealella (Olivier), 4 fractions were separated from extract of locally purchased Chinese prickly ash using silica gel column chromatography. Gas chromatography-infrared spectroscopy and gas chromatography-mass spectroscopy were used to identify the compounds in the fractions. The results of choice tests showed that only the fraction containing 1of the major components (xanthoxylin) had significant deterrent effects on ovipositional behavior. This compound also had strong antifeedant properties on larvae of S. cerealella in a no-choice bioassay. The results indicate that xanthoxylin has potential as a pest-control agent because it significantly deters oviposition as well as larval feeding, 2 critical life history stages of S. cerealella. More tests on other species of stored-product insects are needed to evaluate the potential of xanthoxylin as a general protectant against stored-product insects.

Document Type: Research Article

Publication date: December 1, 1995

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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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