Comparison Between In Vivo and In Vitro Cutaneous Penetration of Fenvalerate in Tobacco Budworm (Lepidoptera: Noctuidae)

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In vivo and in vitro penetration of fenvalerate were compared in the 3-d-old fifth-instar tobacco budworm, Heliothis virescens (F). In the in vitro studies, a piece of cuticle was excised and mounted on a diffusion cell, and the amount of radioactivity present in the cuticle and medium was determined at various time intervals. At 24 h, approximately 7.4% of the dose was located in the cuticle, whereas only 1.6% actually penetrated. In the in vivo studies, approximately 7.4% of the radioactivity was recovered from the body after cuticular wash.

Document Type: Research Article

Publication date: February 1, 1989

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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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