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3-Pentanol: A New Attractant Present in Volatile Emissions from the Ambrosia Beetle, Megaplatypus mutatus

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Abstract

Megaplatypus mutatus (=Platypus mutatus) (Coleoptera: Platypodidae) is an ambrosia beetle that is native to South America. It attacks only standing live trees and causes severe stem breakage and death in commercial poplar (Populus) plantations. Previous work showed that male M. mutatus emits a sex pheromone composed mainly of (+)-sulcatol and sulcatone. We collected male volatile emissions during the hours of maximum emergence by using a specific polar microextraction phase; analyzed the extract by GC-MS; and tested the biological activity of selected compounds in the extract with a walking behavioral assay. Female M. mutatus emerged primarily between 7 and 11 h. In the chemical analyses of volatiles, a third compound, 3-pentanol, was identified in a small percentage of samples. Walking behavioral bioassays with video image analysis showed that at the doses tested, 3-pentanol elicited an attractive response from females.

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Acknowledgments

This work was supported by the Agencia Nacional de Promoción Científica y Técnica (PICT 2005) and the University of San Martín. PGL received a doctoral grant from the University of San Martin. PGA, EZ, and RA are members of the Researcher Career of the CONICET of Argentina.

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Authors and Affiliations

  1. Centro de Investigaciones de Plagas e Insecticidas, J. B. de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina

    Pablo Gatti Liguori, Eduardo Zerba, Raul A. Alzogaray & Paola Gonzalez Audino

  2. Universidad de General San Martín, Av. 52, Nro. 3563, (1652) San Martín, Provincia de Buenos Aires, Argentina

    Pablo Gatti Liguori, Eduardo Zerba, Raul A. Alzogaray & Paola Gonzalez Audino

Authors
  1. Pablo Gatti Liguori
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  2. Eduardo Zerba
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  3. Raul A. Alzogaray
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  4. Paola Gonzalez Audino
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Correspondence to Pablo Gatti Liguori or Paola Gonzalez Audino.

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Gatti Liguori, P., Zerba, E., Alzogaray, R.A. et al. 3-Pentanol: A New Attractant Present in Volatile Emissions from the Ambrosia Beetle, Megaplatypus mutatus . J Chem Ecol 34, 1446–1451 (2008). https://doi.org/10.1007/s10886-008-9547-7

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  • DOI: https://doi.org/10.1007/s10886-008-9547-7

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