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      Testing use of mitochondrial COI sequences for the identification and phylogenetic analysis of New Zealand caddisflies (Trichoptera)

      Hogg, Ian D.; Smith, Brian J.; Banks, Jonathan C.; DeWaard, Jeremy R.; Hebert, Paul D.N.
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      DOI
       10.1080/00288330.2009.9626536
      Link
       www.royalsociety.org.nz
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      Hogg, I. D., Smith, B. J., Banks, J. C., DeWarrd, J. R. & Hebert, P. D. N. (2009). Testing use of mitochondrial COI sequences for the identification and phylogenetic analysis of New Zealand caddisflies (Trichoptera). New Zealand Journal of Marine and Freshwater Research, 43, 1137-1146.
      Permanent Research Commons link: https://hdl.handle.net/10289/3545
      Abstract
      We tested the hypothesis that cytochrome c oxidase subunit 1 (COI) sequences would successfully discriminate recognised species of New Zealand caddisflies. We further examined whether phylogenetic analyses, based on the COI locus, could recover currently recognised superfamilies and suborders. COI sequences were obtained from 105 individuals representing 61 species and all 16 families of Trichoptera known from New Zealand. No sequence sharing was observed between members of different species, and congeneric species showed from 2.3 to 19.5% divergence. Sequence divergence among members of a species was typically low (mean = 0.7%; range 0.0–8.5%), but two species showed intraspecific divergences in excess of 2%. Phylogenetic reconstructions based on COI were largely congruent with previous conclusions based on morphology, although the sequence data did not support placement of the purse-cased caddisflies (Hydroptilidae) within the uncased caddisflies, and, in particular, the Rhyacophiloidea. We conclude that sequence variation in the COI gene locus is an effective tool for the identification of New Zealand caddisfly species, and can provide preliminary phylogenetic inferences. Further research is needed to ascertain the significance of the few instances of high intra-specific divergence and to determine if any instances of sequence sharing will be detected with larger sample sizes.
      Date
      2009
      Type
      Journal Article
      Publisher
      The Royal Society of New Zealand
      Rights
      This article has been published in the journal: New Zealand Journal of Marine and Freshwater Research. © 2009 The Royal Society of New Zealand.
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      • Science and Engineering Papers [3124]
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