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Journal of Chemical Ecology

, Volume 17, Issue 5, pp 897–910 | Cite as

Identification of sex pheromone of browntail moth,Euproctis chrysorrhoea (L.) (Lepidoptera: Lymantriidae)

  • B. A. Leonhardt
  • V. C. Mastro
  • M. Schwarz
  • J. D. Tang
  • R. E. Charlton
  • A. Pellegrini-Toole
  • J. D. WarthenJr.
  • C. P. Schwalbe
  • R. T. Cardé
Article

Abstract

A unique sex attractant pheromone was isolated and identified from extracts of ovipositor tips from the female browntail moth (Lepidoptera: Lymantriidae). The pheromone compound, (Z,Z,Z,Z)-7,13,16,19-docosatetraen-1-ol isobutyrate, CH3CH2CH=CHCH2CH=CHCH2CH= CH(CH2)4CH=CH(CH2)6O2CCH(CH3)2, was identified by a combination of gas chromatography, mass spectrometry, and microreactions and was confirmed by synthesis. Traps baited with 5–50 μg of the synthetic pheromone, dispensed from rubber septa treated with an antioxidant and a UV stabilizer, gave male moth captures that were comparable to traps baited with three virgin females. Higher (250 μg) and lower (0.04–2.5 μg quantities of the synthetic pheromone on septa captured somewhat fewer males. Captures were the same for similar quantities of the natural and synthetic pheromone. Minor, inactive components in the tip extract were identified as a mixture of 7- and 8-pentacosanone.

Key words

Browntail moth Euproctis chrysorrhoea (L.) Lepidoptera Lymantriidae pheromone (Z,Z,Z,Z)-7,13,16,19-docosatetraen-1-ol isobutyrate sex attractant dose dependence 

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Copyright information

© Plenum Publishing Corporation 1991

Authors and Affiliations

  • B. A. Leonhardt
    • 1
  • V. C. Mastro
    • 2
  • M. Schwarz
    • 1
  • J. D. Tang
    • 3
  • R. E. Charlton
    • 3
  • A. Pellegrini-Toole
    • 2
  • J. D. WarthenJr.
    • 1
  • C. P. Schwalbe
    • 2
  • R. T. Cardé
    • 3
  1. 1.USDA, ARSInsect Chemical Ecology LaboratoryBeltsville
  2. 2.USDA, APHISOtis Methods Development LaboratoryOtis ANGB
  3. 3.Department of EntomologyUniversity of MassachusettsAmherst

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