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Comparative phylogeography uncovers evolutionary past of Holarctic dragonflies
Department of Invertebrate Zoology, American Museum of Natural History, New York, New York, United States | Department of Biological Sciences, Rutgers, The State University of New Jersey, Newark, New Jersey, United States.
Natural History Museum Aarhus, Aarhus, Denmark.
Faculty of Natural Sciences, Universidad del Rosario, Bogotá D.C., Colombia.
Halmstad University, School of Business, Innovation and Sustainability, The Rydberg Laboratory for Applied Sciences (RLAS).ORCID iD: 0000-0002-7840-6460
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2021 (English)In: PeerJ, E-ISSN 2167-8359, Vol. 9, article id 11338Article in journal (Refereed) Published
Abstract [en]

Here, we investigate the evolutionary history of five northern dragonfly species to evaluate what role the last glaciation period may have played in their current distributions. We look at the population structure and estimate divergence times for populations of the following species: Aeshna juncea (Linnaeus), Aeshna subarctica Walker, Sympetrum danae (Sulzer), Libellula quadrimaculata Linnaeus and Somatochlora sahlbergi Trybom across their Holarctic range. Our results suggest a common phylogeographic pattern across all species except for S. sahlbergi. First, we find that North American and European populations are genetically distinct and have perhaps been separated for more than 400,000 years. Second, our data suggests that, based on genetics, populations from the Greater Beringian region (Beringia, Japan and China) have haplotypes that cluster with North America or Europe depending on the species rather than having a shared geographic affinity. This is perhaps a result of fluctuating sea levels and ice sheet coverage during the Quaternary period that influenced dispersal routes and refugia. Indeed, glacial Beringia may have been as much a transit zone as a refugia for dragonflies. Somatochlora sahlbergi shows no genetic variation across its range and therefore does not share the geographic patterns found in the other circumboreal dragonflies studied here. Lastly, we discuss the taxonomic status of Sympetrum danae, which our results indicate is a species complex comprising two species, one found in Eurasia through Beringia, and the other in North America east and south of Beringia. Through this study we present a shared history among different species from different families of dragonflies, which are influenced by the climatic fluctuations of the past. Copyright 2021 Kohli et al.

Place, publisher, year, edition, pages
London: PeerJ, Ltd. , 2021. Vol. 9, article id 11338
Keywords [en]
Dragonflies, Phylogeography, Holarctic, Aeshna, Somatochlora, Circumboreal, Sympetrum, Libellula, Beringia
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hh:diva-45288DOI: 10.7717/peerj.11338ISI: 000665117300001Scopus ID: 2-s2.0-85108798110OAI: oai:DiVA.org:hh-45288DiVA, id: diva2:1579381
Note

Funding: Manpreet Kohli received funding from the Systematic Research Fund, 2017 funded by Linnaean Society of London. Manpreet Kohli also received funds from Theodore Roosevelt Memorial Fund, 2017 funded American Museum of Natural History. Thomas J Simonsen, Marie Djernæs and Kent Olsen received funding from the research fund under the Danish Ministry for Culture (grant: FORM.2015-0023), 15 June Foundation (grant: 2015-A-89), The SYNTHESYS program under the EU Commission (grant: SE-TAF-5543). Jessica Ware received funding from National Science Foundation grant #1564386.

Available from: 2021-07-08 Created: 2021-07-08 Last updated: 2025-10-01Bibliographically approved

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