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Elusive ditrysian phylogeny: an account of combining systematized morphology with molecular data (Lepidoptera).

Author:
  • Maria Heikkilä
  • Marko Mutanen
  • Niklas Wahlberg
  • Pasi Sihvonen
  • Lauri Kaila
Publishing year: 2015
Language: English
Publication/Series: BMC Evolutionary Biology
Volume: 15
Issue: 1
Document type: Journal article
Publisher: BioMed Central

Abstract english

Ditrysia comprise close to 99 % of all butterflies and moths. The evolutionary relationships among the ditrysian superfamilies have received considerable attention in phylogenetic studies based on DNA and transcriptomic data, but the deepest divergences remain for large parts unresolved or contradictory. To obtain complementary insight into the evolutionary history of the clade, and to test previous hypotheses on the subdivision of Ditrysia based on morphology, we examine the morphology of larvae, pupae and adult males and females of 318 taxa representing nearly all ditrysian superfamilies and families. We present the most comprehensive morphological dataset on Ditrysia to date, consisting of over 500 morphological characters. The data are analyzed alone and combined with sequence data (one mitochondrial and seven nuclear protein-coding gene regions, sequenced from 422 taxa). The full dataset consists of 473 exemplar species. Analyses are performed using maximum likelihood methods, and parsimony methods for the morphological dataset. We explore whether combining morphological data and DNA-data can stabilize taxa that are unstable in phylogenetic studies based on genetic data only.

Keywords

  • Evolutionary Biology

Other

Published
  • ISSN: 1471-2148
Professor Niklas Wahlberg at the unit of Biodiversity, Lund University.
E-mail: niklas [dot] wahlberg [at] biol [dot] lu [dot] se

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