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Molecular systematics of the bark lice infraorder Caeciliusetae (Insecta: Psocodea)

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Title: Molecular systematics of the bark lice infraorder Caeciliusetae (Insecta: Psocodea)
Authors: YOSHIZAWA, KAZUNORI Browse this author →KAKEN DB
MOCKFORD, EDWARD L. Browse this author
JOHNSON, KEVIN P. Browse this author
Keywords: Psocoptera
Issue Date: Apr-2014
Publisher: Wiley-balckwell
Journal Title: Systematic Entomology
Volume: 39
Issue: 2
Start Page: 279
End Page: 285
Publisher DOI: 10.1111/syen.12054
Abstract: The phylogenetic relationships of bark lice and parasitic lice (Insecta: Psocodea) have been studied in a number of recent molecular phylogenetic analyses based on DNA sequences. Many of these studies have focused on the position of parasitic lice within the free-living bark lice. However, fewer such studies have examined the relationships among major groups of free-living bark lice and their implications for classification. In this study we focus on the infraorder Caeciliusetae, a large group of bark lice (˜1000 species) within the suborder Psocomorpha. Using sequences of two mitochondrial and two nuclear genes, we estimated the phylogeny for relationships among the five recognized families within the infraorder Caeciliusetae. Based on the results, the sister-group relationship and respective monophyly of Stenopsocidae and Dasydemellidae is strongly supported. Monophyly of the larger families Amphipsocidae and Caeciliusidae was not supported, although the causes of this were the placement of two distinct subfamilies (Paracaeciliinae and Calocaeciliinae). The monophyly of Asiopsocidae could not be tested because it was sampled only by one species. Based on these results and consideration of morphological characters, we propose a new classification for Caeciliusetae, recognizing six families: Amphipsocidae, Stenopsocidae, Dasydemellidae, Asiopsocidae, Paracaeciliidae and Caeciliusidae. We expect that this new classification will stabilize the higher-level taxonomy of this group and help to identify groups in need of further work among these insects.
Rights: The definitive version is available at
Type: article (author version)
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 吉澤 和徳

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