Sex phermone components of mulberry looper,Hemerophila atrilineata butler (lepidoptera: Geometridae) |
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| Authors: | Zhong-Xing Tan Regine Gries Gerhard Gries Guo-Qiang Lin Guan-Qin Pu Keith N. Slessor Jianxiong Li |
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| Affiliation: | (1) Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, 200032 Shanghai, P.R. China;(2) Centre for Pest Management, Department of Biological Sciences, Simon Fraser University, V5A 1S6 Burnaby, British Columbia, Canada;(3) Su Zhou College of Sericulture, Jiang Su, Biotechnology College, Su Zhou University, 215151 Su Zhou, P.R. China;(4) Department of Chemistry, Simon Fraser University, V5A 1S6 Burnaby, British Columbia, Canada |
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| Abstract: | (6Z-9S, 10R)-Epoxy-octadecene (SR-1) and (3Z, 6Z-9S, 10R)-epoxy-octadecadiene (SR-2) are sex pheromone components of the mulberry looper (MBL),Hemerophila atrilineata Butler. Compounds extracted from female MBL pheromone glands were identified by coupled gas chromatographic-electroantennographic detection (GC-EAD) and GC-mass spectrometry. In field experiments in China,SR-2,RS-2, or both combined were hardly attractive, butSR-2 in combination withSR-1 attracted significant numbers of MBL males. Synergistic behavioral activity ofSR-1 plusSR-2, but not of corresponding antipode mixtures, indicates enantiospecificity of MBL pheromone communication. Because blends of racemic and enantiospecific (SR)1 plus2 were similarly attractive, racemic1 plus2 may have potential for mass trapping or confusion of MBL males in commercial mulberry plantations. |
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| Keywords: | (6Z-9S,10R)-epoxy-octadecene (6Z-9R,10S)-epoxy-octadecene (3Z,6Z-9S,10R)-epoxy-octadecadiene (3Z,6Z-9R,10S)-epoxy-octadecadiene chirality synergism mulberry looper Geometridae |
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