Comparative studies of female sex pheromone components and male response of the corn stalk borer Sesamia nonagrioides in three different populations |
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| Authors: | Krokos F D Ameline A Bau J Sans A Konstantopoulou M Frérot B Guerrero A Eizaguirre M Malosse C Etchepare O Albajes R Mazomeno B E |
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| Affiliation: | (1) Chemical Ecology and Natural Products Laboratory, Institute of Biology NCSR  Demokritos , P.O. Box 60228, 153 10 Aghia Paraskevi Attikis, Greece;(2) I.N.R.A., Unité de Phytopharmacie et des Médiateuers Chimiques, Route de St Cyr, 78026 Versailles Cedex, France;(3) Department of Biological Organic Chemistry, IIQAB (CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain;(4) Centre UdL-IRTA, Universitat de Lleida, Rovira Roure 177, 25198 Lleida, Spain;(5) Fédération de Protection des Cultures, 11000 Carcassonne, France |
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| Abstract: | Studies to determine possible differences in the pheromone communication system of three different populations of the corn stalk borer Sesamia nonagrioides (Lef.) in France, Spain, and Greece were carried out. The two main pheromone components (Z)-11-hexadecenyl acetate (Z11–16:Ac) and (Z)-11-hexadecenol (Z11–16:OH), were detected in all analyses with very small differences in the three populations. Among the minor components, analyzed by GC-MS on concentrated gland extracts from French and Greek origin females, (Z)-11-hexadecenal (Z11–16:Ald) was detected in minor amounts. Wind-tunnel and field studies revealed similar a male response in the three populations to pheromone glands extracts and synthetic pheromone regardless of the female/male origin. The results do not support the assumption of the existence of different pheromone types of the corn stalk borer S. nonagrioides due to geographic isolation. |
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| Keywords: | Sesamia nonagrioides
Lepidoptera Noctuidae sex pheromones (Z)-11-hexadecenyl acetate (Z)-11-hexadecenol (Z)-11-hexadecenal dodecyl acetate geographic variation |
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