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2006

Iowa State University

Agricultural Science

Entomology Publications

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Natural Insect Repellents: Activity Against Mosquitoes And Cockroaches, Gretchen Schultz, Chris Peterson, Joel R. Coats May 2006

Natural Insect Repellents: Activity Against Mosquitoes And Cockroaches, Gretchen Schultz, Chris Peterson, Joel R. Coats

Entomology Publications

Recent research has focused on the repellent properties of extracts from the catnip plant (Nepeta cataria) and the Osage orange (Madura pomifera) fruit. This chapter includes results on German cockroach (Blattella germanica), and house fly (Musca domestica) contact irritancy to catnip essential oil, and its major components, Z,E-nepetalactone and E,Z-nepetalactone, compared with the commercial standard, N,Ndiethyl-m-toluamide (DEET). Both species showed high percentage repellency values when exposed to filter paper treated with catnip essential oil or the individual nepetalactone isomers. Of the two nepetalactone isomers evaluated, German cockroaches were most responsive to the E ...