DNA barcode-based survey of Trichoptera in the Crooked River reveals three new species records for British Columbia

Anthropogenic pressures on aquatic systems have placed a renewed focus on biodiversity of aquatic macroinvertebrates. By combining classical taxonomy and DNA barcoding we identified 39 species of caddisflies from the Crooked River, a unique and sensitive system in the southernmost arctic watershed i...

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Bibliographic Details
Published in:PeerJ
Main Authors: Daniel J. Erasmus, Emily A. Yurkowski, Dezene P.W. Huber
Format: Article in Journal/Newspaper
Language:English
Published: PeerJ Inc. 2018
Subjects:
Trichoptera
Caddisflies
British Columbia
Lepidostoma togatum
Ceracleaannulicornis
Cheumatopsyche harwoodi
Medicine
R
Biology (General)
QH301-705.5
Arctic
Crooked River
Online Access:https://doi.org/10.7717/peerj.4221
https://doaj.org/article/58e8b82a7029414c8660b105973cce5f
Description
Summary:Anthropogenic pressures on aquatic systems have placed a renewed focus on biodiversity of aquatic macroinvertebrates. By combining classical taxonomy and DNA barcoding we identified 39 species of caddisflies from the Crooked River, a unique and sensitive system in the southernmost arctic watershed in British Columbia. Our records include three species never before recorded in British Columbia: Lepidostoma togatum (Lepidostomatidae), Ceraclea annulicornis (Leptoceridae), and possibly Cheumatopsyche harwoodi (Hydropsychidae). Three other specimens may represent new occurrence records and a number of other records seem to be substantial observed geographic range expansions within British Columbia.

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