Epoxyheptadecadienes identified as sex pheromone components of Tephrina 
arenacearia Hbn. (Lepidoptera: Geometridae)

Toth, M.; Szocs, G.; Löfstedt, C.; Hansson, B. S.; Schmidt, F.; Francke, W.

doi:10.1515/znc-1991-3-416

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Epoxyheptadecadienes identified as sex pheromone components of Tephrina arenacearia Hbn. (Lepidoptera: Geometridae)

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Citation

Toth, M., Szocs, G., Löfstedt, C., Hansson, B. S., Schmidt, F., & Francke, W. (1991). Epoxyheptadecadienes identified as sex pheromone components of Tephrina arenacearia Hbn. (Lepidoptera: Geometridae). Zeitschrift für Naturforschung, C: Journal of Biosciences, 46(3-4), 257-263. doi:10.1515/znc-1991-3-416.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-5D93-D

Abstract

(Z,Z)-3,9-cis-6,7-Epoxyheptadecadiene, and (Z,Z)-6,9-cis-3,4-epoxyheptadecadiene were identified by gas chromatography/flame ionization detection-electroantennographic detection (GC/FID-EAD) and coupled gas chromatography-mass spectrometry (GC-MS) from abdominal tip extracts of Tephrina arenacearia (Lepidoptera: Geometridae), an alfalfa pest. In gas chromatography/flame ionization-single sensillum detection (GC FID-SC) analyses, specific olfactory receptor cells were found for (Z,Z)-6,9-cis-3,4-epoxyheptadecadiene, and tricosane. Synthetic samples of racemic (Z,Z)-6,9-cis-3,4-epoxyheptadecadiene attracted large numbers of male T. arenacearia into traps. Best catches were observed at 100-1000-mu-g dosages. The addition of (Z,Z,Z)-3,6,9-heptadecatriene did not influence catches. (Z,Z,Z)-3,6,9-Heptadecatriene and (Z,Z)-6,9-cis-3,4-epoxyheptadecadiene were also identified in the pheromone gland extract of Chiasma clathrata, another geometrid pest of alfalfa.