Journal of Chemical Ecology

, Volume 17, Issue 3, pp 567–580 | Cite as

1-Octen-3-ol, attractive semiochemical for foreign grain beetle,Ahasverus advena (Waltl) (Coleoptera: Cucujidae)

  • A. M. Pierce
  • H. D. PierceJr.
  • A. C. Oehlschlager
  • J. H. Borden


Volatiles were captured on Porapak Q from foreign grain beetles,Ahasverus advena (Waltl), feeding on rolled oats at various population densities. At low population density, males, females, and mixed-sex beetles four to six weeks posteclosion and older produced 1-octen-3-ol. Mixed-sex beetles emitted almost pure (R)-(−) enantiomer. Weekly production rates of 1-octen-3-ol by males were at least four times greater than those of females. Production of 1-octen-3-ol was barely detectable in volatiles from mixed-sex adults maintained at the highest population density. Laboratory bioassays in a two-choice, pitfall olfactometer modified to retain responding beetles revealed that 1-octen-3-ol serves as an aggregation pheromone forA. advena. Both racemic and chiral 1-octen-3-ols were good attractants for mixed-sex adults in the pitfall olfactometer.

Key words

Ahasverus advena (Waltl) foreign grain beetle Coleoptera Cucujidae 1-octen-3-ol volatile attractant aggregation pheromone population density 


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Copyright information

© Plenum Publishing Corporation 1991

Authors and Affiliations

  • A. M. Pierce
    • 1
  • H. D. PierceJr.
    • 1
  • A. C. Oehlschlager
    • 1
  • J. H. Borden
    • 2
  1. 1.Department of ChemistrySimon Fraser UniversityBurnabyCanada
  2. 2.Centre for Pest Management Department of Biological SciencesSimon Fraser UniversityBurnabyCanada

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