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SPIDERS (ARANEAE) OF SIX SMALL PEATLANDS IN SOUTHERN ONTARIO OR SOUTHWESTERN QUEBEC

  • Charles D. Dondale (a1) and James H. Redner (a1)

Abstract

Six small peatlands, comprising three bogs and three fens, were surveyed for spiders in southern Ontario or southwestern Quebec. Collections from the Mer Bleue bog contained representatives of 108 species (54.6% of the total), those from the Crieff fen 97 (49.0%), those from the Wylde Lake bog 77 (38.9%), those from the Oliver bog 76 (38.4%), those from the Richmond fen 59 (29.8%), and those from the Poltimore fen 49 species (24.8% of the total). The family Erigonidae had 24.8% of the total 198 species, Lycosidae had 11.1%, Linyphiidae had 10.6%, and Salticidae had 9.1%, Web-building species outnumbered hunting species by 118 to 80. The majority of species in these peatlands are wide-ranging litter inhabitants, about one-third are tree, shrub, or herb inhabitants, and one-tenth were found only in or on the surface of the peat itself. Nine of the last-named group appear to be restricted to bogs, but none appear to be restricted to fens.

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Baldwin, W.K.W., and Mosquin, T.. 1969. Scientific and cultural studies of the Mer Bleue. Canadian Field-Naturalist 83: 46.
Blades, C.A. 1990. Faunistics and Ecology of Arthropods in Four Ontario Peatlands. M.Sc. thesis, University of Guelph, Guelph, Ontario. 333 pp.
Dondale, C.D., and Redner, J.H.. 1990. The Insects and Arachnids of Canada. Part 17. The Wolf Spiders, Nurseryweb Spiders, and Lynx Spiders of Canada and Alaska. Canada Department of Agriculture Publication 1856: 383 pp.
Johnson, C.W. 1985. Bogs in the Northeast. University Press of New England, Hanover and London. 269 pp.
Judd, W.W. 1965. Studies of the Byron Bog in Southwestern Ontario. XVIII. Distribution of Harvestmen and Spiders in the Bog. National Museum of Canada Natural History Papers 28: 12 pp.
Kurata, T. 1937. The spiders of Mer Bleue, near Ottawa. Canadian Field-Naturalist 51: 114115.
Middleton, J. 1985. Mer Bleue conservation area. The Ottawa Citizen, October 21, 1985. p. B3.
Reddoch, J. 1979. Calcareous fens in the Ottawa district. Trail and Landscape 13: 1627.

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SPIDERS (ARANEAE) OF SIX SMALL PEATLANDS IN SOUTHERN ONTARIO OR SOUTHWESTERN QUEBEC

  • Charles D. Dondale (a1) and James H. Redner (a1)

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