A Checklist of Manitoba Spiders (Araneae)
With Notes on Geographic Relationships
C. W. Aitchison-BenellDepartment of Zoology
University of Manitoba
Winnipeg (Manitoba) R3T 2N2
C. D. Dondale
Centre for Land and Biological Resources Research
Agriculture Canada
Central Experimental Farm
Ottawa (Ontario) KIA 0C6
Abstract
An annotated list of spider species is compiled from museum collections and several personal collections. This list includes 483 species in 20 families; 139 species are new provincial records. The spider fauna of Manitoba is compared with that of British Columbia, Quebec, and Newfoundland. Manitoba's spider fauna is composed of northern elements (arctic or subarctic species), boreal elements (holarctic or nearctic), and eastern elements (mainly species of the eastern deciduous forest), and a few that are regarded as introductions from abroad. Forty-three species reach the limits of their ranges here. This relatively small province (6.5% of the total land mass of Canada) contains 59% of the Canadian spider families and 37% of the Canadian species.
This resource is based on the following source: Benell-Aitchison, C.W., and C.D. Dondale. 1990. A Checklist of Manitoba Spiders (Araneae) With Notes on Geographic Relationships. Naturaliste canadien 117:215-237. This resource should be cited as: Benell-Aitchison, C.W., and C.D. Dondale. 1990. A Checklist of Manitoba Spiders (Araneae) With Notes on Geographic Relationships. Naturaliste canadien 117:215-237. Northern Prairie Wildlife Research Center Online. http://www.npwrc.usgs.gov/resource/insects/spiders/index.htm (Version 16JUL97).
Table of Contents
- Introduction
- Materials and Methods
- Results:
- Family Uloboridae
- Family Dictynidae
- Family Amaurobiidae
- Family Theridiidae
- Family Linyphiidae
- Family Erigonidae
- Family Araneidae
- Family Tetragnathidae
- Family Agelenidae
- Family Hahniidae
- Family Mimetidae
- Family Pisauridae
- family Lycosidae
- Family Oxyopidae
- Family Gnaphosidae
- Family Liocranidae
- Family Clubionidae
- Family Thomisidae
- Family Philodromidae
- Family Salticidae
- Discussion
- Acknowledgements
- References
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