Evaluation of Commercial Formulations of Bacillus thuringiensis for Control of the Indianmeal Moth and Almond Moth (Lepidoptera: Pyralidae) in Stored Inshell Peanuts

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Abstract:

In laboratory tests, a dust formulation of Bacillus thuringiensis Berliner was superior to a WP fonnulation in protecting farmers' stock (inshell) peanuts from Indianmeal moth, Plodia interpunetella (Hübner), and almond moth, Ephestia cautella (Walker), infestation. The WP did not completely eliminate moth emergence at rates as high as 625 mg/kg when applied as either a bulk or surface layer treatment. Efficacy of the WP was not improved by more uniform application. The dust nearly eliminated moth emergence when used as a surface layer or bulk treatment at 500 mg/kg. At equivalent dosages, the dust limited moth emergence and peanut damage to <5%, but the WP permitted ca. 23% moth emergence and peanut damage.

Document Type: Research Article

Publication date: August 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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