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Mol Phylogenet Evol. 2012 Oct;65(1):126-35. doi: 10.1016/j.ympev.2012.05.029. Epub 2012 Jun 7.

Phylogeny of the Polycentropodidae (Insecta: Trichoptera) based on protein-coding genes reveal non-monophyletic genera.

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1
Entomology Department, Swedish Museum of Natural History, Stockholm, Sweden. kjell.arne.johanson@nrm.se

Abstract

We tested the previous hypotheses of the phylogenetic position and monophyly of the caddisfly family Polycentropodidae. We also tested previous hypotheses about the internal generic relationship within the family by including 15 ingroup genera, many of them also represented by the genotype. All families that were previously taxonomically associated with the polycentropodids were included in the analysis. The total data set of 2225 bp representing sequences of combined nuclear and mitochondrial genes and 171 taxa, was analyzed using Bayesian inference. We found strong support for a monophyletic Polycentropodidae with Ecnomidae as the closest sister group. The recently erected families Kambaitipsychidae and Pseudoneureclipsidae were monophyletic and distantly related to the Polycentropodidae. Within Polycentropodidae, monophyly and validity of the genera Neucentropus, Neureclipsis, Cyrnus, Holocentropus, Tasmanoplegas, Pahamunaya, Cernotina and Cyrnellus was strongly supported, while the genera Polycentropus, Polyplectropus, Plectrocnemia, Placocentropus and Nyctiophylax were all polyphyletic. The New Caledonian species were polyphyletic and represented three distinct clades. The sister group to the New Caledonian clades are from Australia, New Zealand and Chile, respectively. The Vanuatu species evolved after dispersal from the Fiji Islands. New internal primers for cytochrome oxidase I sequences of Trichoptera are introduced.

PMID:
22683564
DOI:
10.1016/j.ympev.2012.05.029
[Indexed for MEDLINE]
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