Electroantennogram responses of the male moth, Argyrotaenia velutinana to mixtures of sex pheromone components of the female

T. C. Baker, W. L. Roelofs

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37 Scopus citations

Abstract

Electroantennogram (EAG) responses were recorded from male redbanded leafroller moth, Argyrotaenia velutinana, antennae using mixtures of the three female-produced sex pheromone components: cis-11-tetradecenyl acetate, trans-11-tetradecenyl acetate, and dodecyl acetate (12:Ac). Binary mixtures containing 3%, 8%, and 15% trans in cis elicited significantly higher amplitude responses than other isomeric mixtures as well as pure cis and trans alone. The higher responses to such mixtures were less than additive at high dosages and additive at lower dosages. Receptor adaptation studies using the two isomers support a previous single unit study demonstrating the presence of at least two functionally different receptor sites on male A. velutinana antennae; adaptation to an airstream containing one isomer did not eliminate response to the opposite isomer presented concurrently. An airstream containing the third component, 12:Ac, caused a significant slowing of the recovery rate during the entire recovery period of EAG responses to cis but not trans, suggesting that a possible temporal modulation of neuronal response by 12:Ac may be a means of coding for this component by antennal sensory neurons.

Original languageEnglish (US)
Pages (from-to)1357-1364
Number of pages8
JournalJournal of Insect Physiology
Volume22
Issue number10
DOIs
StatePublished - 1976

All Science Journal Classification (ASJC) codes

  • Physiology
  • Insect Science

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