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Journal of Chemical Ecology

, Volume 7, Issue 6, pp 1081–1088 | Cite as

Sex pheromone of the tomato looper,Plusia chalcites (ESP)

  • E. Dunkelblum
  • S. Gothilf
  • M. Kehat
Article

Abstract

Z-7-Dodecenyl acetate (A) andZ-9-tetradecenyl acetate (B), in a 5∶1 ratio, have been identified as sex pheromone components of femalePlusia chalcites. In addition, small amounts of dodecyl acetate, tetradecyl acetate, hexadecyl acetate, andZ-9-dodecenyl acetate have been found in the abdominal tip extracts. This is the first known Plusiinae species which utilizes a two-component primary sex pheromone system. The most effective lure found in field experiments was a mixture of 1 mg A and 0.2 mg B absorbed on rubber septa.

Key words

Plusia chalcites Lepidoptera Noctuidae tomato looper sex pheromone identification glass WCOT capillary chromatography gas chromatography-mass spectrometry Z-7-dodencenyl acetate Z-9-tetra-decenyl acetate 

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Copyright information

© Plenum Publishing Corporation 1981

Authors and Affiliations

  • E. Dunkelblum
    • 1
  • S. Gothilf
    • 1
  • M. Kehat
    • 1
  1. 1.ARO The Volcani CenterInstitute of Plant ProtectionBet DaganIsrael

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