A Comparison of Insecticide Susceptibility in Seven Nonresistant Strains of the German Cockroach, Blattella Germanica (Dictyoptera: Blattellidae)1
Philip G. koehler, R. S. Patterson
Abstract
Philip G. koehler, R. S. Patterson
Abstract
Seven nonresistant (“normal“) strains of the German cockroach, Blattella germanica, were evaluated to determine their relative susceptibilities to chlordane, malathion, chlorpyrifos, diazinon, and propoxur. LT50 values reported were similar for all tested strains, with no strain showing resistance to any tested chemical. The reported values should be used to cross-tabulate resistances reported from laboratories where different “normal”strains of German cockroach are used.
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Seven nonresistant (“normal“) strains of the German cockroach, Blattella germanica, were evaluated to determine their relative susceptibilities to chlordane, malathion, chlorpyrifos, diazinon, and propoxur. LT50 values reported were similar for all tested strains, with no strain showing resistance to any tested chemical. The reported values should be used to cross-tabulate resistances reported from laboratories where different “normal”strains of German cockroach are used.
Key concepts: German cockroach, Dictyoptera, Propoxur, Diazinon, Biology, Malathion, Cockroach, Chlordane