Freilanduntersuchungen zur Sexuallockstoff-Reaktion der Fichtenform des grauen Lärchenwicklers,Zeiraphera diniana Gn. (Lep., Tortricidae) |
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| Authors: | Dr. J. Vrkoč Dr. V. Skuhravý Dr. W. Baltensweiler |
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| Affiliation: | (1) Present address: Institut für organische Chemie und Biochemie der Tschechoslowakischen Akademie der Wissenschaften, Prag.;(2) Present address: Entomologisches Institut der Tschechoslowakischen Akademie der Wissenschaften, Prag.;(3) Present address: Entomologisches Institut der ETH, ETH-Zentrum, CH-8092 Zürich, Schweiz |
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| Abstract: | Males of the larch bud moth developing onPicea excelsa in the  SSR respond when tested by the electroantenno-grammethod or in the field much stronger to (E)-9-dodecenyl acetate (E 9–12 Ac) as to the (E)-11-tetradecenyl acetate (E 11–14 Ac) which is maximally prefered by the larch bud moth developing onLarix decidua. Thus the spruce form exhibits a similar reaction as the males developing onPinus cembra sympatrically with the larch form in the Alps. |
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