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Journal of Chemical Ecology

, Volume 12, Issue 9, pp 1909–1926 | Cite as

Sex pheromone of fall armyworm,Spodoptera frugiperda (J.E. Smith)

Identification of components critical to attraction in the field
  • J. H. Tumlinson
  • E. R. Mitchell
  • P. E. A. Teal
  • R. R. Heath
  • L. J. Mengelkoch
Article

Abstract

Analyses of extracts of pheromone glands and of volatiles from calling female fall armyworm moths,Spodoptera frugiperda (J.E. Smith), revealed the presence of the following compounds: dodecan-1-ol acetate, (Z)-7-dodecen-1-ol acetate, 11-dodecen-1-ol acetate, (Z)-9-tetradecenal, (Z)-9-tetradecen-1-ol acetate, (Z)-11-hexadecenal, and (Z)-11-hexadecen-1-ol acetate. The volatiles emitted by calling females differed from the gland extract in that the two aldehydes were absent. Field tests were conducted with sticky traps baited with rubber septa formulated to release blends with the same component ratios as those emitted by calling females. These tests demonstrated that both (Z)-7-dodecen-1-ol acetate and (Z)-9-tetradecen-1-ol acetate are required for optimum activity and that this blend is a significantly better lure than either virgin females or 25 mg of (Z)-9-dodecen-1-ol acetate in a polyethylene vial, the previously used standard. Addition of the other three acetates found in the volatiles did not significantly increase the effectiveness of the two-component blend as a bait for Pherocon 1C or International Pheromones moth traps.

Key words

Spodoptera frugiperda fall armyworm Lepidoptera Noctuidae (Z)-7-dodecen-1-ol acetate (Z)-9-tetradecen-1-ol acetate pheromone attractant sex pheromone 

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Copyright information

© Plenum Publishing Corporation 1986

Authors and Affiliations

  • J. H. Tumlinson
    • 1
  • E. R. Mitchell
    • 1
  • P. E. A. Teal
    • 1
  • R. R. Heath
    • 1
  • L. J. Mengelkoch
    • 1
  1. 1.U.S. Department of AgricultureInsect Attractants, Behavior, and Basic Biology Research Laboratory Agricultural Research ServiceGainesville

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