Feeding Response of Early- and Late-Instar Spruce Budworm (Lepidoptera: Tortricidae) to Amino Acid Extracts from White Spruce


Source: Journal of Economic Entomology, Volume 87, Number 2, April 1994 , pp. 409-416(8)

Publisher: Entomological Society of America

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Feeding preferences and rates of early- and late-ins tar spruce budworm, Choristoneura fumiferana (Clemens), exposed to amino acid fractions from currently defoliated and undamaged white spruce foliage were measured to determine whether changes in feeding behavior occurred during the course of insect larval development. No significant difference was observed between the feeding preferences of early and late instars. However, the relative amounts of disks eaten by third instars were significantly higher compared with sixth instars.

Document Type: Research Article

Publication date: April 1, 1994

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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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