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Damage and Preference of Lesser Cornstalk Borer (Lepidoptera: Pyralidae) Larvae for Peanut Pods in Different Stages of Maturity

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Lesser cornstalk borer, Elasmopalpus lignosellus (Zeller), larvae of various ages were fed peanut, Arachis hypogaea L., pods in stages 1 to 6 of maturity. Larval survival and pod damage were much greater on pods in stages 1 to 3 than on pods in stages 4 to 6. Older larvae were able to damage more mature pods, but this damage was primarily external scarification without pod penetration. Preference tests showed that larvae preferred pods in stages 2 and 3 and damaged pods in stages 1 to 3 significantly more than pods in stages 4 to 6. The significance of these findings in relation to field infestations of lesser cornstalk borer larvae is discussed.

Document Type: Research Article

Publication date: April 1, 1984

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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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