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Progeny Suppression of Attagenus megatoma1 and Trogoderma parabile1 by Dietary Factors2

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Chlortetracycline (Aureomycin®) and sorbic acid at dosage levels of 0.05-1.0% (w/w) and 1.2-8.0% (w/w), respectively, were incorporated in the diet of both the black carpet beetle, Attagenus megatoma (F.), and Trogoderma parabile Beal. Mated pairs developing from sorbic acid treatments produced progeny unable to survive the first larval instar. Chlortetracycline did not affect either species. Neither material, during the parental generation, affected larval or adult weight, survival to adult stage, pupal or adult longevity, or larval or adult melinization. Preliminary microbiological attempts to isolate and establish the presence of commensual or mutualistic symbiotes were unsuccessful with both species, as were attempts to locate intracellular symbiotes, mycetocytes, or mycetomes by histological examination of larvae and adults. Comparative gross anatomical studies of adults of both species from the highest level treatments and untreated controls revealed no differences in development of ovaries or testes.

Document Type: Research Article

Publication date: June 1, 1968

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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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