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. 2017 Jan 27;43(1):39–52. doi: 10.1007/s10886-016-0805-9

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© The Author(s) 2017

Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 2 — Coupled GC-EAG analysis showing antennal response of female Macrosiphum euphorbiae to volatile organic compound (VOC) samples collected from potato (Solanum tuberosum L.) plants following different treatments. cis-Jasmone (CJ) = CJ treatment. ME = Macrosiphum euphorbiae–infested. CJME = CJ treatment and then infestation with M. euphorbiae. For aphid treatments, each plant was infested with 100 apterous individuals. Upper trace = antennal response, lower trace = FID response. The EAG-active VOCs for M. euphorbiae were identified as: (1) (E)-2 hexenal; (2) α-pinene; (3) 6-methyl-5-hepten-2-one (MHO); (4) methyl benzoate (MeBA); (5) nonanal; (6) (E)-4,8-dimethyl-1,3,7-nonatriene (DMNT); (7) (Z)-3-hexen-1-yl butyrate; (8) methyl salicylate (MeSA); (9) decanal; (10) indole; (11) CJ; (12) α-copaene; (13) (E)-β-farnesene; and (14) (E,E)-4,8,12-trimethyl-1,3,7,11-tridecatetraene (TMTT)