Integrative taxonomy reveals cryptic diversity in North American Lasius ants, and an overlooked introduced species by Sämi Schär, Gerard Talavera, Jignasha D. Rana, Xavier Espadaler, Stefan P. Cover, Steven O. Shattuck, Roger Vila

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Molecular evolution in introduced insect species—a mitochondrial perspective by Jacopo D’Ercole, Jacopo D’Ercole, Roger Vila, Leonardo Dapporto, Mikko Pentinsaari, Gerard Talavera, Vlad Dincă, Paul D. N. Hebert, Paul D. N. Hebert

“…Introduced species provide the opportunity to study evolutionary change on short time scales—a key first step to understand and manage the ecosystem-level impact of invasions. …”
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First Record of the Introduced Ant Myrmica specioides In the Eastern United States by Sämi Schär, Roger Vila, Mattia Menchetti

“…This species is native to the West Palearctic region and has previously been known as an introduced species in Northwestern North America. It was found 2013 in the Boston metropolitan area. …”
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