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  1. By: Schappert, Phillip J
    Type: Article
    In: The Canadian field-naturalist
    Volume: 105
    Issue: 2
    Date: 1991
    Page Range: 308--309
    Publication Info: Ottawa Ottawa Field-Naturalists' Club
  2. By: Schappert, Phillip J - Shore, Joel S
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 52
    Date: 1998
    Page Range: 9--39
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-