Journal of Chemical Ecology

, Volume 22, Issue 12, pp 2331–2340 | Cite as

3-Methyl-α-himachalene: Proposed structure for novel homosesquiterpene sex pheromone ofLutzomyia longipalpis (diptera: Psychodidae) from Jacobina, Brazil

  • J. G. C. Hamilton
  • G. W. Dawson
  • J. A. Pickett


The principal behaviorally active volatile component (ca. 90% +) of the sex pheromone glands ofLutzomyia longipalpis from Jacobina. Brazil, has been isolated and characterized as a novel homosesquiterpene with the structure 3-methyl-α-himachalene (C16H26). A minor component (ca. 10%) of the gland extract has also been identified as the sesquiterpeneα-himachalene (C15H24). This work confirms that there are at least 3 members of theL. longipalpis species complex.

Key Words

Sex pheromone tergal gland Lutzomyia longipalpis 3-methyl-α-himachalene homosesquiterpene mass spectrometry high-performance liquid chromatography nuclear magnetic resonance 


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Copyright information

© Plenum Publishing Corporation 1996

Authors and Affiliations

  • J. G. C. Hamilton
    • 1
    • 2
  • G. W. Dawson
    • 2
  • J. A. Pickett
    • 2
  1. 1.Chemical Ecology Group, Centre for Applied Entomology and Parasitology Department of Biological SciencesUniversity of KeeleStaffordshireEngland, UK
  2. 2.Department of Biological and Ecological ChemistryIACR-RothamstedHarpendenEngland, UK

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