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1-Methylcyclohex-2-en-1-ol as an aggregation pheromone ofDendroctonus pseudotsugae

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Abstract

1-Methylcyclohex-2-en-1-ol (1,2-MCH-ol) was synthesized, identified as a compound found in volatiles of the female Douglas-fir beetle, and shown by bioassays to be an aggregation pheromone. 1,2-MCH-ol matches in both GC retention index and mass spectrum a compound released by the female after feeding. 3,3-MCH-ol was also synthesized as a candidate compound; its mass spectrum is presented because published mass spectra are incorrect for this compound. Synthetic 1,2-MCH-ol increased arrestment and stridulation of males in olfactory walkways and increased trap catches of flying beetles. Males were more responsive to 1,2-MCH-ol than females.

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Authors and Affiliations

  1. Department of Food Science and Technology, Oregon Stale University, 97331, Corvallis, Oregon

    L. M. Libbey

  2. Department of Chemistry, Simon Fraser University, V5A 1S6, Burnaby, B.C.

    A. C. Oehlschlager

  3. Department of Entomology, Oregon State University, USA

    Lee C. Ryker

Authors
  1. L. M. Libbey
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  2. A. C. Oehlschlager
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  3. Lee C. Ryker
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Additional information

Coleoptera: Scolytidae.

Research supported by NSF grant PCN 79-21708 to Oregon State University, OSU Agric. Exp. Sta. Tech. Paper No. 6507.

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Libbey, L.M., Oehlschlager, A.C. & Ryker, L.C. 1-Methylcyclohex-2-en-1-ol as an aggregation pheromone ofDendroctonus pseudotsugae . J Chem Ecol 9, 1533–1541 (1983). https://doi.org/10.1007/BF00988419

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  • DOI: https://doi.org/10.1007/BF00988419

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