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By: Mcalpine, Donald F - Muldoon, Frances - Forbes, Graham J. - Wandeler, Alexander I. - Makepeace, Scott - Broders, Hugh G. - Goltz, James P.Type: ArticleIn: The Canadian field-naturalistVolume: 116Series:Issue: 4Date: 2002Page Range: 645--647Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: