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      Phylogeny of the supertribe Nebriitae (Coleoptera: Carabidae) based on analyses of molecular sequence data--some surprises. 

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      ARPHA Conference Abstracts

      Pensoft Publishers

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          Abstract

          To explore phylogenetic relationships among members of the carabid supertribe Nebriitae, we sampled DNA fragments extracted from adults of 244 nebriite species-group taxa, representing about 25% of known species-group taxa and 93% (38 of 41) of the currently accepted nebriite genus-group taxa. Sequence data were recorded for eight gene fragments (a total of 5654 bases) from nuclear ribosomal, mitochondrial, and nuclear protein coding genes. The resulting phylogeny is based on both individual gene and concatenated gene analyses using Maximum Likelihood and Bayesian methods, which produced nearly identical results. Most nodes are well supported by both high bootstrap and high posterior probability values, and many of them also by unique (autapomorphic) bases. Many of the previously recognized genus-group taxa are supported as monophyletic, but others are not. Alternative reclassifications that reflect monophyletic groups are still being considered, based on the molecular analyses along with considerations of ease of group identification and geographical distribution. Of the two alternative reclassifications being considered, one requires the designation of 16 new subgeneric synonymies and the other only nine new subgeneric synonymies plus the recognition of three new subgenera. However, under both schemes, Nippononebria Uéno (along with its subgenus, Vancouveria Kavanaugh) is re-established as a genus separate from Nebria and sister to Leistus Frölich; and Archastes is embedded within a monophyletic genus Nebria and closely related to subgenera Oreonebria Daniel and Orientonebria Shilenkov.  Additional details will be reported in the presentation. 

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          Journal
          ARPHA Conference Abstracts
          ACA
          Pensoft Publishers
          2603-3925
          June 12 2019
          June 12 2019
          : 2
          Article
          10.3897/aca.2.e37156
          © 2019

          https://creativecommons.org/share-your-work/public-domain/cc0/

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