Sabulodes caberata guenée (Lepidoptera: Geometridae) |
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Authors: | L M McDonough J B Bailey M P Hoffmann B A Leonhardt D F Brown C L Smithhisler K Olsen |
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Affiliation: | (1) Agricultural Research Service, USDA, Yakima Agricultural Research Laboratory, 98902 Yakima, Washington;(2) Department of Entomology, University of California, 92521 Riverside, California;(3) Department of Entomology, University of California, 95616 Davis, California;(4) Agricultural Research Service, USDA, Agricultural Environmental Quality Institute, 20705 Beltsville, Maryland |
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Abstract: | A 6,9-nonadecadiene, (Z)-9-nonadecene, andn-nonadecane were identified in extracts of sex pheromone glands of femaleSabulodes caberata Guenée. Potential pheromonal activity of gland components was assessed by electroantennogram measurements of gas-chromatographic fractions of abdominal tip extracts. Chemical identification was based on gas chromatography and mass spectrometry of parent compounds, hydrogenation products, ozonolysis products, dimethyl disulfide adducts, and synthesis. The monoene was synthesized via coupling of alkyl and acetylenic intermediates. (Z,Z)-6,9-Nonadecadiene (Z6,Z9-19 H) was synthesized from methyl linoleate via chain lengthening. SyntheticZ6,Z9-19 H had the same retention times on polar and nonpolar capillary gas-chromatographic columns as the 6,9-nonadecadiene from the sex pheromone glands. In field testsZ6,Z9-19:H alone produced trap catch of maleS. caberata and addition of (Z)-9-nonadecene orn-nonadecane had no effect on trap catch.This paper reports the results of research only. Mention of a commercial product in this paper does not constitute a recommendation by the U.S. Department of Agriculture. |
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Keywords: | Sabulodes caberata Guené e Sabulodes aegrotata Guené e omnivorous looper Lepidoptera Geometridae sex pheromone (Z Z)-6 9-nonadecadiene (Z)-9-nonadecenekw] n-nonadecane |
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