期刊
JOURNAL OF ECONOMIC ENTOMOLOGY
卷 95, 期 2, 页码 377-380出版社
ENTOMOL SOC AMER
DOI: 10.1603/0022-0493-95.2.377
关键词
Blattella germanica; catnip; nepetalactone; repellency
类别
The essential oil of catnip, Nepetacataria L., contains two isomers of nepetalactone, EZ- and Z,E-nepetalactone, and was tested for repellent activity to adult male German cockroaches, Blattella germanica (L.), in a choice-test arena. The two isomers of nepetalactone we. re purified by using preparative thin-layer chromatography and tested for behavioral activity in the choice-test arena. Significant differences due to concentration were detected by analysis of variance, and the responses were compared by least-squared means analysis'. The activities of the essential oil and purified isomers were compared with N,N-diethyl-3-methylbenzamide (DEET) by a paired t-test. E,Z-Nepetalactone was the most active of the compounds tested, being significantly more active to this species than equivalent doses of DEET, the essential oil, or Z,E-nepetalactone. Antennectomized insects showed no response to concentrations that were active against intact insects.
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