Electrophysiological and behavioral responses of a parasitic wasp to plant volatiles induced by two leaf miner species

Chemical Senses
Jia-Ning Wei, Le Kang

Abstract

In the present study, Y-tube olfactometric assays demonstrated that headspace volatile extracts collected from leaf miner-damaged, or artificially damaged, bean plants were more attractive to naive females of the parasitoid insect Opius dissitus than those collected from healthy plants. Headspace extracts from both Liriomyza huidobrensis and Liriomyza sativae second-instar larvae-damaged beans were analyzed by coupled gas chromatography-electroantennographic detection (GC-EAD). Of nine EAD-active volatiles identified, (3E)-4,8-dimethyl-1,3,7-nonatriene, (3Z)-hexenyl acetate, (syn)-2-methylpropanal oxime, and (syn)-2-methylbutanal oxime were the most abundant compounds that evoked significant electroantennogram (EAG) responses. Compounds (3Z)-hexen-1-ol, (anti)-2-methylbutanal oxime, linalool, beta-caryophyllene, and (3E,7E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene also elicited clear EAG responses but were present in smaller amounts. Choice experiments in a Y-tube olfactometer indicated that synthetic versions of (3Z)-hexen-1-ol, 2-methylpropanal oxime, 2-methylbutanal oxime, 3-methylbutanal oxime, linalool, (E,E)-alpha-farnesene, and (3E,7E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene were attractive individually, while (3Z)-he...Continue Reading

Citations

Apr 10, 2008·Journal of Chemical Ecology·Ryoko T IchikiSatoshi Nakamura
Aug 21, 2013·Neotropical Entomology·M F G V Peñaflor, J M S Bento
Jan 30, 2014·Plant, Cell & Environment·Andrea Clavijo McCormickSybille B Unsicker
May 30, 2013·Biological Reviews of the Cambridge Philosophical Society·Ivo Beyaert, Monika Hilker
Aug 20, 2008·Annual Review of Entomology·Le KangTong-Xian Liu
Dec 31, 2016·Insect Science·Zainab Aljbory, Ming-Shun Chen
Sep 4, 2019·Journal of Chemical Ecology·Chun-Li XiuYan-Hui Lu

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