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  1. By: Vernon, Robert S. - Mcgregor, Robert R
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 96
    Date: 1999
    Page Range: 103--110
    Publication Info: [Victoria, etc.], Entomological Society of British Columbia,
  2. By: Mcgregor, Robert R - Gillespie, David Roy - Quiring, Donald - Higginson, Dawn
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 97
    Date: 2000
    Page Range: 89--94
    Publication Info: [Victoria, etc.], Entomological Society of British Columbia,
  3. By: Mcgregor, Robert R - Prasad, Renee P - Henderson, Deborah E
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 99
    Date: 2002
    Page Range: 93--98
    Publication Info: [Victoria, etc.], Entomological Society of British Columbia,