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Identification and Field Assay of Two Aggregation Pheromone Components Emitted by Males of the Bark Beetle Polygraphus punctifrons (Coleoptera: Curculionidae)
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
Swedish University of Agricultural Sciences, Uppsala.
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2019 (English)In: Journal of Chemical Ecology, ISSN 0098-0331, E-ISSN 1573-1561, Vol. 45, no 4, p. 356-365Article in journal (Refereed) Published
Abstract [en]

The bark beetle Polygraphus punctifrons (Coleoptera: Curculionidae) is a species that feeds on Norway spruce (Picea abies) and is found in the Northern parts of Europe and Russia. The release of volatile organic compounds (VOCs) produced by males and females of P. punctifrons when the beetles bore into spruce stem sections in a laboratory environment was studied using solid phase microextraction (SPME). The sampled VOCs emitted by boring beetles were analysed by gas chromatography and mass spectrometry (GCMS). (+)-2-[(1R,2S)-1-Methyl-2-(prop-1-en-2-yl)cyclobutyl]ethanol [(+)-(1R,2S)-grandisol] and (−)-(R)-1-isopropyl-4-methyl-3-cyclohexen-1-ol [(−)-(R)-terpinen-4-ol] were identified to be male specific volatiles. The identity of the compounds was confirmed by comparison with synthetic samples. Field trials with synthetic compounds in Sweden showed that racemic grandisol per se was strongly attractive for both males and females, while (−)-(R)-terpinen-4-ol was not. Further, when adding (−)-(R)-terpinen-4-ol to rac-grandisol, a synergistic effect was observed as the trap catch of P. punctifrons was fourfold. (−)-(R)-Terpinen-4-ol by its own did not attract P. punctifrons but Polygraphus poligraphus, and the latter was also attracted to traps baited with a 10:90 mixture of the two compounds. Thus, we have identified (+)-(1R,2S)-grandisol as a main component and (−)-(R)-terpinen-4-ol as a minor component of the aggregation pheromone of P. punctifrons. This opens future possibilities to monitor and, if necessary, manage populations of P. punctifrons. 

Place, publisher, year, edition, pages
2019. Vol. 45, no 4, p. 356-365
Keywords [en]
(+)-(1R, 2S)-Grandisol, (−)-(R)-Terpinen-4-ol, Enantiomeric separation, Picea abies, Preparative fraction collection, SPME
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-35836DOI: 10.1007/s10886-019-01056-6ISI: 000467745400003PubMedID: 30796678Scopus ID: 2-s2.0-85061967619OAI: oai:DiVA.org:miun-35836DiVA, id: diva2:1297503
Available from: 2019-03-20 Created: 2019-03-20 Last updated: 2019-08-14Bibliographically approved
In thesis
1. Structure elucidation of semiochemicals related to: Polygraphus poligraphus, Polygraphus punctifrons, Trioza apicalis, Whittleia retiella, Neodiprion edulicolus, Neodiprion scutellatus, Neodiprion knereri and Neodiprion virginianus
Open this publication in new window or tab >>Structure elucidation of semiochemicals related to: Polygraphus poligraphus, Polygraphus punctifrons, Trioza apicalis, Whittleia retiella, Neodiprion edulicolus, Neodiprion scutellatus, Neodiprion knereri and Neodiprion virginianus
2019 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2019. p. 60
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 293
National Category
Chemical Engineering
Identifiers
urn:nbn:se:miun:diva-36850 (URN)978-91-88527-88-2 (ISBN)
Public defence
2019-03-12, O102, Sundsvall, 10:15 (English)
Supervisors
Note

Vid tidpunkten för disputationen var följande delarbeten opublicerade: delarbete 2 (accepterat), delarbete 3 (accepterat), delarbete 4 (inskickat), delarbete 5 (inskickat), delarbete 6 (manuskript).

At the time of the doctoral defence the following papers were unpublished: paper 2 (accepted), paper 3 (accepted), paper 4 (submitted), paper 5 (submitted), paper 6 (manuscript).

Available from: 2019-08-14 Created: 2019-08-14 Last updated: 2019-08-16Bibliographically approved

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Rahmani, RizanWallin, ErikaViklund, LinaHedenström, Erik

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