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J Chem Ecol

Title:		Volatiles of Solena amplexicaulis (Lam.) Gandhi Leaves Influencing Attraction of Two Generalist Insect Herbivores
Author(s):		Sarkar N; Karmakar A; Barik A;
Address:		"Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan, 713 104, West Bengal, India. Ecology Research Laboratory, Department of Zoology, The University of Burdwan, Burdwan, 713 104, West Bengal, India. anandamaybarik@yahoo.co.in"
Journal Title:		J Chem Ecol
Year:		2016
Volume:		20160903
Issue:		10
Page Number:		1004 - 1015
DOI:		10.1007/s10886-016-0757-0
ISSN/ISBN:		1573-1561 (Electronic) 0098-0331 (Linking)
Abstract:		"Epilachna vigintioctopunctata Fabr. (Coleoptera: Coccinellidae) and Aulacophora foveicollis Lucas (Coleoptera: Chrysomelidae) are important pests of Solena amplexicaulis (Lam.) Gandhi (Cucurbitaceae), commonly known as creeping cucumber. The profiles of volatile organic compounds from undamaged plants, plants after 48 hr continuous feeding of adult females of either E. vigintioctopunctata or A. foveicollis, by adults of both species, and after mechanical damaging were identified and quantified by GC-MS and GC-FID analyses. Thirty two compounds were detected in volatiles of all treatments. In all plants, methyl jasmonate was the major compound. In Y-shaped glass tube olfactometer bioassays under laboratory conditions, both insect species showed a significant preference for complete volatile blends from insect damaged plants, compared to those of undamaged plants. Neither E. vigintioctopunctata nor A. foveicollis showed any preference for volatiles released by heterospecifically damaged plants vs. conspecifically damaged plants or plants attacked by both species. Epilachna vigintioctopunctata and A. foveicollis showed attraction to three different synthetic compounds, linalool oxide, nonanal, and E-2-nonenal in proportions present in volatiles of insect damaged plants. Both species were attracted by a synthetic blend of 1.64 mug linalool oxide + 3.86 mug nonanal + 2.23 mug E-2-nonenal, dissolved in 20 mul methylene chloride. This combination might be used as trapping tools in pest management strategies"
Keywords:		Acyclic Monoterpenes Aldehydes/analysis/metabolism Animals Coleoptera/*physiology Cucurbitaceae/*physiology Cyclohexanols/analysis/metabolism Female *Herbivory Monoterpenes/analysis/metabolism Plant Leaves/*physiology Smell Trityl Compounds/analysis/metab;
Notes:		"MedlineSarkar, Nupur Karmakar, Amarnath Barik, Anandamay eng 2016/09/07 J Chem Ecol. 2016 Oct; 42(10):1004-1015. doi: 10.1007/s10886-016-0757-0. Epub 2016 Sep 3"