1965•The Canadian EntomologistRequires access

Note on the Effects of Temperature and Piperonyl Butoxide on the Toxicity of Carbaryl to Adult Grasshoppers

K. S. McKinlay

Abstract

Abstract Tests on adults of the migratory grasshopper, Melanoplus bilituratus (Wlk.), showed carbaryl (1-naphthyl N-methylcarbamate) to have a very marked negative temperature coefficient of toxicity. This was believed to be due to a rapid increase in the rate of detoxification at higher temperatures. The marked synergistic effect of piperonyl butoxide, believed to act by blocking the detoxification process, appeared to confirm this.

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Key concepts: Piperonyl butoxide, Carbaryl, Grasshopper, Toxicology, Toxicity, Detoxification (alternative medicine), Carbamate, Chemistry