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STONEFLIES (PLECOPTERA) OF THE LAKE ATHABASCA REGION OF NORTHERN SASKATCHEWAN AND THEIR BIOGEOGRAPHICAL AFFINITIES

Published online by Cambridge University Press:  31 May 2012

L.M. Dosdall  and
D.M. Lehmkuhl
L.M. Dosdall
Affiliation:
Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 0W0
D.M. Lehmkuhl
Affiliation:
Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada S7N 0W0
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Abstract

Fifteen species of stoneflies (Plecoptera) were collected in the Lake Athabasca region of northern Saskatchewan. Capnia nearctica Banks is reported for the first time from Saskatchewan, and collection records of Isogenoides frontalis (Newman), Nemoura rickeri Jewett, and Paracapnia angulata Hanson represent significant range extensions. All species collected from lotic habitats have biogeographical affinities with streams from the Southern Boreal Ecoregion, but some species collected from Lake Athabasca have biogeographical affinities with the Southern Boreal Ecoregion and others have affinities with the Tundra.

Résumé

Quinze espèces de plécoptères ont été collectées dans la région du Lac Athabaska au nord de la Saskatchewan. Capnia nearctica Banks est rapporté pour la première fois en Saskatchewan, alors que les collections de Isogenoides frontalis (Newman), Nemoura rickeri Jewett et Paracapnia angulata Hanson représentent des extensions importantes d’aire de répartition. Toutes les espèces collectées dans des habitats lotiques montrent des affinités biogéographiques avec les ruisseaux de l’Ecorégion Sud Boréale. Mais certaines espèces collectées au Lac Athabaska montrent des affinités avec l’Ecorégion Sud Boréale alros que d’autres ont des affinités avec la Toundra.

Type
Articles
Information
The Canadian Entomologist , Volume 119 , Issue 12 , December 1987 , pp. 1059 - 1062
Copyright
Copyright © Entomological Society of Canada 1987

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