Abstract
Four major volatile components emitted from flowers ofAbelia grandiflora were identified based on retention time using two capillary columns of different polarities and electron impact mass spectrometry. These are phenylacetaldehyde, benzaldehyde, 2-phenylethanol, and benzyl alcohol. A blend of these compounds was as effective as a cluster of flowers in stimulating upwind flight by maleTrichoplusia ni to the source in a wind-tunnel test. Phenylacetaldehyde or 2-phenylethanol were each as effective as the complete blend in stimulating source location by male moths. Attraction to a source of the synthetic blend was demonstrated in virgin males and females and mated males and females, but virgin moths of both sexes were more likely than mated moths to complete the sequence of behavioral responses necessary to locate the odor source.
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Haynes, K.F., Zhao, J.Z. & Latif, A. Identification of floral compounds fromAbelia grandiflora that stimulate upwind flight in cabbage looper moths. J Chem Ecol 17, 637–646 (1991). https://doi.org/10.1007/BF00982132
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DOI: https://doi.org/10.1007/BF00982132