Utetheisa ornatrix

  • Conner W
  • Eisner T
  • Meer R
 et al. 
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Abstract

The sex attractant pheromone produced by the female of the moth Utetheisa ornatrix was shown to contain Z, Z, Z-3, 6, 9-heneicosatriene. The compound, whose structure was confirmed by synthesis, proved active in electroantennogram and field bioassays. Pheromone emission occurs discontinuously, in the form of short pulses (pulse repetition rate=1.50.2 pulses/s). It is argued that such temporal patterning which had not previously been demonstrated for an airborne chemical signal can provide close-range orientation cues to the male moth as it seeks out the female.

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Authors

  • William E Conner

  • Thomas Eisner

  • Robert K Vander Meer

  • Angel Guerrero

  • Dario Ghiringelli

  • Jerrold Meinwald

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