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J Chem Ecol

Title:		Enhancement of attraction to sex pheromones of Spodoptera exigua by volatile compounds produced by host plants
Author(s):		Deng JY; Wei HY; Huang YP; Du JW;
Address:		"Institute of Plant Physiology & Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 300 Fenglin Road, Shanghai 200032, PR China"
Journal Title:		J Chem Ecol
Year:		2004
Volume:		30
Issue:		10
Page Number:		2037 - 2045
DOI:		10.1023/b:joec.0000045593.62422.73
ISSN/ISBN:		0098-0331 (Print) 0098-0331 (Linking)
Abstract:		"We measured the effects of exposure to volatile compounds produced by host plants on the rate of capture of male Spodoptera exigua using synthetic sex pheromones. Exposure to volatile compounds stimulated strong electroantennographic responses of male S. exigua. The behavioral responses of male moths to combinations of sex pheromone and volatile compounds were tested in wind tunnel experiments. When lures were baited with synthetic sex pheromone plus benzaldehyde, phenylacetaldehyde, (Z)-3-hexenyl acetate, or linalool, respectively, the landing rate of S. exigua males was increased by 101.4%, 79.6%, 60.6%, and 34.3%, respectively, compared to sex pheromone alone. In field tests, traps baited with either pheromone + (E)-2-hexenal, pheromone + phenylacetaldehyde, pheromone + (Z)-3-hexenyl acetate, or pheromone + (Z)-3-hexenol enhanced moth catches by 38.8%, 34.6%, 24.6%, and 20.8%, respectively compared to traps baited with pheromone alone. In a second field experiment, more S. exigua males were trapped with a combination of a synthetic sex pheromone blend and several individual host plant volatiles compared to synthetic sex pheromone alone. These results suggest that some host plant volatiles enhance the orientation response of S. exigua male moths to sex pheromone sources"
Keywords:		"Acetaldehyde/*analogs & derivatives/pharmacology Acetates/pharmacology Acyclic Monoterpenes Animals Benzaldehydes/pharmacology Male Monoterpenes/pharmacology Plants/*chemistry Sex Attractants/*pharmacology Sexual Behavior, Animal/*drug effects/physiology;"
Notes:		"MedlineDeng, Jian-Yu Wei, Hong-Yi Huang, Yong-Ping Du, Jia-Wei eng Comparative Study Research Support, Non-U.S. Gov't 2004/12/22 J Chem Ecol. 2004 Oct; 30(10):2037-45. doi: 10.1023/b:joec.0000045593.62422.73"