Identification of further sex pheromone synergists in the codling moth, Cydia pomonella

Pheromone gland extracts of codling moth females were examined by gas chromatography coupled with mass spectrometry and electroantennography. Nine compounds elicited antennal activity: the main pheromone compound codlemone (E,E)‐8,10‐dodecadienol, the E,Z and Z,E isomers of codlemone, codlemone acet...

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Bibliographic Details
Published in:Entomologia experimentalis et applicata 2001-11, Vol.101 (2), p.131-141
Main Authors: Witzgall, Peter, Bengtsson, Marie, Rauscher, Stefan, Liblikas, Ilme, Bäckman, Anna-Carin, Coracini, Miryan, Anderson, Peter, Löfqvist, Jan
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Animals
attraction
Autoecology
Biological and medical sciences
codlemone
Cydia pomonella
field trapping
Fundamental and applied biological sciences. Psychology
Lepidoptera
Protozoa. Invertebrata
reproductive behaviour
sexual communication
Tortricidae
upwind flight
wind tunnel
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Summary:Pheromone gland extracts of codling moth females were examined by gas chromatography coupled with mass spectrometry and electroantennography. Nine compounds elicited antennal activity: the main pheromone compound codlemone (E,E)‐8,10‐dodecadienol, the E,Z and Z,E isomers of codlemone, codlemone acetate (E,E)‐8,10‐dodecadienyl acetate, codlemone aldehyde (E,E)‐8,10‐dodecadienal, the monounsaturated alcohols (E)‐8‐dodecenol and (E)‐9‐dodecenol, and dodecanol. In wind tunnel experiments, addition of dodecanol, the E,Z isomer of codlemone and codlemone acetate augmented male attraction to codlemone at the proportions found in female glands. Larger amounts of the E,Z isomer of codlemone and codlemone acetate had a strong antagonistic effect on male attraction. The identification of pheromone synergists in codling moth is of importance for the development of pheromone‐ based control methods.
ISSN:0013-8703
1570-7458
DOI:10.1046/j.1570-7458.2001.00898.x