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The thin red line between species - genomic differentiation of Gymnosoma Meigen, a taxonomically challenging genus of parasitoid flies (Diptera: Tachinidae)

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Item embargoed until 2021-08-25. Restrictions imposed by the publisher
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final draft
Date
2020
Author(s)
Lee, Kyung Min
Zeegers, Theo
Mutanen, Marko
Pohjoismäki, Jaakko
Unique identifier
10.1111/syen.12450
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Citation
Lee, Kyung Min. Zeegers, Theo. Mutanen, Marko. Pohjoismäki, Jaakko. (2020). The thin red line between species - genomic differentiation of Gymnosoma Meigen, a taxonomically challenging genus of parasitoid flies (Diptera: Tachinidae).  Systematic entomology, [Epub ahead of print 25 Aug 2020], 10.1111/syen.12450.
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© 2020 Royal Entomological Society
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Abstract

In traditional taxonomy, species are differentiated using morphological arguments, which can be subjective and cause confusion particularly when the initial species descriptions have been inadequate. The development of DNA‐based methods has provided more objective tools to recognize and quantify species differences, as well as enabled the detection of cryptic that is morphologically indistinguishable, species. Conversely, we show here that large‐scale, genome‐wide analysis of 11 427 loci and 65 825 SNPs is mostly unable to differentiate between many of the currently valid Palearctic species of bug‐killing parasitoid flies in the genus Gymnosoma Meigen (Diptera: Tachinidae), despite the proposed morphological differences. We conclude that alongside a few well‐defined taxa with discrete morphological features and unique DNA barcodes, Palearctic Gymnosoma is likely to contain a single, highly variable and geographically widespread species.

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https://erepo.uef.fi/handle/123456789/8305
Link to the original item
http://dx.doi.org/10.1111/syen.12450
Publisher
Wiley
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  • Luonnontieteiden ja metsätieteiden tiedekunta [1109]
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