August 27, 1999
American Chemical Society
Researchers have confirmed an old wives' tale: Placing catnip around the house helps keep cockroaches away. At the national meeting of the American Chemical Society, Iowa State University researchers Chris Peterson and Joel Coats, Ph.D., reported that cockroaches are repelled by catnip - specifically, two forms of the chemical called nepetalactone, found in the catnip plant.
Study Finds Same Catnip Extract That Attracts Cats Also Repels German Cockroaches
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American Chemical Society. "Cockroaches Beware! This House Has Been Treated With Catnip." ScienceDaily. ScienceDaily, 27 August 1999. <www.sciencedaily.com/releases/1999/08/990827071500.htm>.
American Chemical Society. (1999, August 27). Cockroaches Beware! This House Has Been Treated With Catnip. ScienceDaily. Retrieved March 11, 2014 from www.sciencedaily.com/releases/1999/08/990827071500.htm
American Chemical Society. "Cockroaches Beware! This House Has Been Treated With Catnip." ScienceDaily. www.sciencedaily.com/releases/1999/08/990827071500.htm (accessed March 11, 2014).