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Variations in Ground White Pine Bark Concentration in Artificial Diet in Relation to Egg Laying, Feeding, and Mortality of Pissodes strobi (Coleoptera: Curculionidae)

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Variations in concentrations of ground white pine bark incorporated into artificial diet were studied to determine their effect on egg laying and feeding behavior of white pine weevils, Pissodes strobe (Peck). Significant differences in feeding and egg laying responses were detected between adults fed diets containing 5 and 10% ground bark. White pine weevil larvae reared on the diet containing 1% ground bark had a higher mortality level than those reared on the diet containing 5% ground bark. Weevil females fed the diet containing 5% ground bark were significantly heavier than those reared on the diet with 1% ground bark. Insect development times did not differ significantly between the two concentrations of ground bark. Adults exposed to a natural substrate were stimulated to oviposit, and viable eggs were laid.

Document Type: Research Article

Publication date: February 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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