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  1. By: Ekrem, Torbjørn - Kevan, Peter G., - Woodcock, Thomas S. - Hebert, Paul D N
    Type: Article
    In: The Canadian field-naturalist
    Volume: 128
    Issue: 1
    Date: 2014-03-26
    Page Range: 77--79
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Woodcock, Thomas S. - Kevan, Peter G., - Roughley, Robert E
    Type: Article
    In: The Canadian field-naturalist
    Volume: 124
    Issue: 2
    Date: 2010-04-01
    Page Range: 118--121
    Publication Info: Ottawa Ottawa Field-Naturalists' Club