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Volatiles from flowers of Platanthera bifolia (Orchidaceae) attractive to the silver Y moth, Autographa gamma (Lepidoptera : Noctuidae)

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Author

Summary, in English

We examined the attractiveness of a natural headspace sample of [i]Platanthera bifolia[/i blossoms, synthetic blends and Single compounds to the silver Y moth, Autographa gamma, in a flight tunnel. The synthetic blend consisted of previously identified electrophysiologically active compounds from P. bifolia: benzyl benzoate, benzyl salicylate, cinnamyl alcohol, lilac aldehydes, methyl benzoate and methyl salicylate. This blend had a similar attractivity as the natural headspace sample. Subtraction of lilac aldehydes significantly decreased attractiveness of the synthetic blend. When a mixture of lilac aldehydes was tested alone. it showed attractiveness similar to that of the synthetic blend. One or a mixture of lilac aldehydes accounts for the attraction of moths to P. bifolia. All other Compounds elicited significantly lower responses. Results are discussed in relation to the pollination biology of P. bifolia.

Publishing year

2002

Language

English

Pages

69-74

Publication/Series

Oikos

Volume

99

Issue

1

Document type

Journal article

Publisher

Wiley-Blackwell

Topic

  • Biological Sciences
  • Zoology

Status

Published

Research group

  • Pheromone Group

ISBN/ISSN/Other

  • ISSN: 1600-0706