Shallow Genetic Structure among the European Populations of the Six-Toothed Bark Beetle Ips sexdentatus (Coleoptera, Curculionidae, Scolytinae)

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Title: Shallow Genetic Structure among the European Populations of the Six-Toothed Bark Beetle Ips sexdentatus (Coleoptera, Curculionidae, Scolytinae)
Authors: Avtzis, Dimitrios N. | Lakatos, Ferenc | Gallego, Diego | Pernek, Milan | Faccoli, Massimo | Wegensteiner, Rudolf | Stauffer, Christian
Center, Department or Service: Universidad de Alicante. Departamento de Ecología
Keywords: Ips sexdentatus | Scolytinae | mtDNA | Phylogeography | Flying ability | Human-mediated transport
Knowledge Area: Ecología
Issue Date: 7-Feb-2019
Publisher: MDPI
Citation: Avtzis DN, Lakatos F, Gallego D, Pernek M, Faccoli M, Wegensteiner R, Stauffer C. Shallow Genetic Structure among the European Populations of the Six-Toothed Bark Beetle Ips sexdentatus (Coleoptera, Curculionidae, Scolytinae). Forests. 2019; 10(2):136. doi:10.3390/f10020136
Abstract: The six-toothed bark beetle, Ips sexdentatus, is one of the most abundant scolytid species of the central and southern European countries. It mostly feeds on Pinus sp., whereas during population outbreaks it can also attack Picea sp. In spite of its broad distribution, its phylogeography has never been studied before. To do that, we employed an mtDNA marker on 489 individuals that covered most of its native range in Europe. Geographic distribution of the 86 haplotypes showed that at least three glacial refugia have played a significant role in shaping the currently observed pattern of genetic divergence in Europe, without excluding the contribution of minor refugial areas that acted in a similar manner. The revealed shallow structure can be considered an artifact of factors that reduced intraspecific diversity, at the same time favoring gene flow. As such, biological traits of the species itself (flying ability and host preference) and even human-mediated transport of wood seem to be the most prevailing and probable reasons that gave rise to the observed pattern.
Sponsor: Austrian Science Fund FWF (project number P26749-B25).
URI: http://hdl.handle.net/10045/88372
ISSN: 1999-4907
DOI: 10.3390/f10020136
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Peer Review: si
Publisher version: https://doi.org/10.3390/f10020136
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