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The Mediterranean peninsulas and central Asia were both postglacial colonization sources for the widespread European species of water beetles

AuthorsGarcía-Vázquez, David ; Ribera, Ignacio
Issue DateJan-2015
CitationInternational Biogeography Society 7th Biennial Meeting (2015)
AbstractIn this work we study the temporal and geographic origin of some central and northern European diving beetles of the genera Deronectes, Platambus, Oreodytes and Hydraena to understand the effect of Pleistocene glaciations in their diversification. All of them include both widespread European and narrowly distributed species, usually in southern peninsulas and islands. We used probabilistic methods with molecular data of six different genes (four mitochondrial and two nuclear) to produce calibrated phylogenies/phylogeographies, which were used to estimate the geographic origin of the species and populations. According to our results, in the genus Hydraena a recent range expansion from the Iberian Peninsula resulted in the widespread H. gracilis, genetically homogeneous through its range. Of the four species groups of Deronectes with widespread European species, Turkey was the origin of the D. latus group, the Balkans of the D. platynotus group, the Iberian Peninsula of the D. aubei group and the area between Iberian Peninsula, Maghreb and Corsica and Sardinia of the D. moestus group. Preliminary results suggest an eastern, Asiatic origin for the species of Platambus and Oreodytes.
DescriptionTrabajo presentado en la International Biogeography Society 7th Biennial Meeting, celebrada en Bayreuth (Alemania) del 8 al 12 de enero de 2015.
Appears in Collections:(IBE) Comunicaciones congresos
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