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Título: | Evolutionary history of the little fire ant Wasmannia auropunctata before global invasion: Inferring dispersal patterns, niche requirements and past and present distribution within its native range |
Autor: | Chifflet, Lucila Rodriguero, Marcela S. Calcaterra, Luis Alberto Rey, Olivier Dinghi, Pablo A. Baccaro, Fabricio Beggiato Souza, Jorge Luiz Pereira Follett, Peter A. Confalonieri, Viviana Andrea |
Palavras-chave: | Adaptation Ant Bayesian Analysis Biological Invasion Common Ancestry Dispersal Genetic Differentiation Invasive Species Dna, Mitochondrial Niche Partitioning Phylogeography Pleistocene Range Expansion Wasmannia Auropunctata Genetic Marker Dna, Mitochondrial Animals Behavior, Animals Animals Dispersal Ant Classification Climate Ecosystem Evolution Genetic Marker Genetics Introduced Species Physiology Animals Distribution Animal Ants Biological Evolution Climate Dna, Mitochondrial Ecosystem Genetic Markers Homing Behavior Introduced Species |
Data do documento: | 2016 |
Revista: | Journal of Evolutionary Biology |
É parte de: | Volume 29, Número 4, Pags. 790-809 |
Abstract: | The evolutionary history of invasive species within their native range may involve key processes that allow them to colonize new habitats. Therefore, phylogeographic studies of invasive species within their native ranges are useful to understand invasion biology in an evolutionary context. Here we integrated classical and Bayesian phylogeographic methods using mitochondrial and nuclear DNA markers with a palaeodistribution modelling approach, to infer the phylogeographic history of the invasive ant Wasmannia auropunctata across its native distribution in South America. We discuss our results in the context of the recent establishment of this mostly tropical species in the Mediterranean region. Our Bayesian phylogeographic analysis suggests that the common ancestor of the two main clades of W. auropunctata occurred in central Brazil during the Pliocene. Clade A would have differentiated northward and clade B southward, followed by a secondary contact beginning about 380 000 years ago in central South America. There were differences in the most suitable habitats among clades when considering three distinct climatic periods, suggesting that genetic differentiation was accompanied by changes in niche requirements, clade A being a tropical lineage and clade B a subtropical and temperate lineage. Only clade B reached more southern latitudes, with a colder climate than that of northern South America. This is concordant with the adaptation of this originally tropical ant species to temperate climates prior to its successful establishment in the Mediterranean region. This study highlights the usefulness of exploring the evolutionary history of invasive species within their native ranges to better understand biological invasions. © 2016 European Society for Evolutionary Biology. |
DOI: | 10.1111/jeb.12827 |
Aparece nas coleções: | Artigos |
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