German Cockroach1 Resistance. 1. Resistance Cross-Resistance to DDT, Pyrethrins, and Laboratory Colony2

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Abstract:

A normal laboratory colony of Blatella germanica (L.) was selected for diazinon resistance, The selected colony developed resistance Lo topical diazinon (26X) and malathion (27X), and became cross resistant to 3 other major classes of organic insecticides represented by DDT (>40X), propoxur (18X), and pyrethrins (23X). When injected, diazinon resistance decreased to 6X and DDT to 2X; resistance to injected propoxur (14x) or pyrethrins (34X) was not very different fr0111their topical values, Reduced penetration of insecticide may be a resistance mechanism against some insecticides ill this strain,

Document Type: Research Article

Publication date: February 1, 1973

More about this publication?
  • 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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