A hairy case: the evolution of filtering carnivorous Drusinae (Limnephilidae, Trichoptera)

The caddisfly subfamily Drusinae BANKS comprises roughly 100 species inhabiting mountain ranges in Europe, Asia Minor and the Caucasus. A 3-gene phylogeny of the subfamily previously identified three major clades that we
The caddisfly subfamily Drusinae BANKS comprises roughly 100 species inhabiting mountain ranges in Europe, Asia Minor and the Caucasus. A 3-gene phylogeny of the subfamily previously identified three major clades that were corroborated by larval morphology and feeding ecologies: scraping grazers, omnivorous shredders and filtering carnivores. Larvae of filtering carnivores exhibit unique head capsule complexities, unknown from other caddisfly larvae. Here we assess the species-level relationships within filtering carnivores, hypothesizing that head capsule complexity is derived from simple shapes observed in the other feeding groups. We summarize the current systematics and taxonomy of the group, clarify the systematic position of Cryptothrix nebulicola, and present a larval key to filtering carnivorous Drusinae. We infer relationships of all known filtering carnivorous Drusinae and 34 additional Drusinae species using Bayesian species tree analysis and concatenated Bayesian phylogenetic analysis of 3805bp of sequence data from six gene regions (mtCOI5-P, mtCOI3-P, 16S mrDNA, CADH, WG, 28S nrDNA), morphological cladistics from 308 characters, and a total evidence analysis. All analyses support monophyly of the three feeding ecology groups but fail to fully resolve internal relationships. Within filtering carnivores, variation in head setation and frontoclypeus structure may be associated with progressive niche adaptation, with less complex species recovered at a basal position. We propose that diversification of complex setation and frontoclypeus shape represents a recent evolutionary development, hypothetically enforcing speciation and niche specificity within filtering carnivorous Drusinae.
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Author:Simon Vitecek, Wolfram Graf, Ana Previšic, Mladen Kučinić, János Oláh, Miklós Bálint, Lujza Keresztes, Steffen U. Pauls, Johann Waringer
URN:urn:nbn:de:hebis:30:3-403762
DOI:http://dx.doi.org/10.1016/j.ympev.2015.07.019
Pubmed Id:http://www.ncbi.nlm.nih.gov/pubmed?term=26265260
Parent Title (English):Molecular Phylogenetics and Evolution
Publisher:Elsevier Science
Document Type:Article
Language:English
Date of Publication (online):2015/08/08
Date of first Publication:2015/08/08
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2016/07/18
Tag:*BEAST; Filter-feeding; Larval key; Phylogeny; Species tree
Volume:63
Pagenumber:12
First Page:249
Last Page:260
Note:
(c) 2015 The Authors. Published by Elsevier Inc. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
HeBIS PPN:42865357X
Institutes:Senckenbergische Naturforschende Gesellschaft
Biodiversität und Klima Forschungszentrum (BiK-F)
Dewey Decimal Classification:590 Tiere (Zoologie)
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0

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