Antennal and behavioral responses of grapevine moth Lobesia botrana females to volatiles from grapevine

Grapevine moth Lobesia botrana is the economically most important insect of grapevine Vitis vinifera in Europe. Flower buds, flowers, and green berries of Chardonnay grapevine are known to attract L. botrana for oviposition. The volatile compounds collected from these phenological stages were studie...

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Bibliographic Details
Published in:Journal of chemical ecology 2005, Vol.31 (1), p.77-87
Main Authors: TASIN, Marco, ANFORA, Gianfranco, IORIATTI, Claudio, CARLIN, Silvia, DE CRISTOFARO, Antonio, SCHMIDT, Silvia, BENGTSSON, Marie, VERSINI, Giuseppe, WITZGALL, Peter
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
Butterflies & moths
Chromatography
Electrophysiology
Female
Flowers
Flowers - chemistry
Fruit - chemistry
Fundamental and applied biological sciences. Psychology
Gas chromatography
Gas Chromatography-Mass Spectrometry
Insecta
Invertebrates
Lobesia botrana
Mass spectrometry
Moths - physiology
Odorants
Plant Leaves - chemistry
Protozoa. Invertebrata
Sense Organs - physiology
Sesquiterpenes - analysis
Sprays
Vitis - chemistry
Vitis - physiology
Vitis vinifera
Volatilization
Wind
Wind tunnels
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Summary:Grapevine moth Lobesia botrana is the economically most important insect of grapevine Vitis vinifera in Europe. Flower buds, flowers, and green berries of Chardonnay grapevine are known to attract L. botrana for oviposition. The volatile compounds collected from these phenological stages were studied by gas chromatography-mass spectrometry, and the antennal response of L. botrana females to these headspace collections was recorded by gas chromatography-electroantennography. The compounds found in all phenological stages, which consistently elicited a strong antennal response, were pentadecane, nonanal, and alpha-farnesene. In a wind tunnel, gravid L. botrana females flew upwind to green grapes, as well as to headspace collections from these berries released by a piezoelectric sprayer release device. However, no females landed at the source of headspace volatiles, possibly due to inappropriate concentrations or biased ratios of compounds in the headspace extracts.
ISSN:0098-0331
1573-1561
DOI:10.1007/s10886-005-0975-3