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ECOO2016 4th European Congress on Odonatology Tyringe, Sweden 11-14 July 2016 ABSTRACT FORM Deadline for the abstract submission April 15th, 2016 Presentation title: The Treeline emerald, Somatochlora sahlbergi, in focus: does geographic distance always translate to genetic distance? Name(s) of the author(s): Manpreet K. Kohli, Göran Sahlén ,Lucianny Lantigua, William R. Kuhn, Erik Pilgrim, Jessica L. Ware Preferred format: Oral Preferred session: 1. GENETICS, PHYLOGENY, TAXONOMY X Poster X 2. BEHAVIOUR, ECOLOGY, LIFE HISTORY 3. FAUNISTIC, BIODIVERSITY 4. CONSERVATION, MANAGEMENT, MONITORING 5. OTHER: Contact details presenting author Name: Göran Sahlén E-mail: [email protected] Phone: 0705437223 The members of the scientific committee that will review the submitted abstracts are as follows: – Göran Sahlén, Halmstad University – Frank Johansson, Uppsala University – Viktor Nilsson-Örtman, Lund University – Erik Svensson, Lund University – Maren Wellenreuther, Lund University Please write your abstract according to the example below, maximum length for Abstracts is 500 words. Please note that if you present a poster you will also have to make a short talk (5-10 minutes) in the plenum about your topic. The Treeline emerald, Somatochlora sahlbergi, in focus: does geographic distance always translate to genetic distance? Manpreet K. Kohli1, Göran Sahlén2, Lucianny Lantigua3, William R. Kuhn1, Erik Pilgrim4, Jessica L. Ware1 1Biology department, Rutgers University, Newark, USA and Environmental Science, Halmstad University, Halmstad, Sweden. 3Earth and Environmental Science department, Rutgers University, Newark, New Jersey, USA 4Ecosystem Integrity branch, United States Environmental protection Agency, Cincinnati, Ohio, USA 2Ecology Somatochlora sahlbergi Trybom 1889 is the dragonfly species breeding furthest to the north and is usually found in cold and remote habitats. This species has a wide circumpolar distribution and is found along the treeline in Alaska, the Yukon, Fennoscandia and Russia. Because of the unique nature of its habitat and range, S. sahlbergi is an interesting case for studying evolutionary history of the Arctic fauna. In this study we hypothesized that the North American populations of S. sahlbergi are genetically different from those in Eurasia due to their being separated by the Arctic ice sheet, oceans or long geographic distances. We found that S. sahlbergi appears to be interbreeding across its entire range and, further, there seems to be little or no variation among and between European and North American populations in their CO1 gene fragment (the barcode gene). We also noted that characters thought to be diagnostic for the larvae of S. sahlbergi were absent in most of our European samples. We discuss our findings in relation to previously known and newly observed habitat preferences of the species. Please send the abstract form to: [email protected]
