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  1. By: Ratzlaff, C G
    Type: Article
    In: Journal of the Entomological Society of Ontario
    Volume: 150
    Date: 2019
    Page Range: 27--29
    Publication Info: [Harrow, Ont.] Entomological Society of Ontario 2003-
  2. By: Ratzlaff, C G - Scudder, G G E
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 117
    Date: 2020
    Page Range: 60--63
    Publication Info: [Victoria, etc.] Entomological Society of British Columbia
  3. By: Ratzlaff, C G
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 115
    Date: 2018
    Page Range: 110--122
    Publication Info: [Victoria, etc.] Entomological Society of British Columbia
  4. By: Ratzlaff, C G - Needham, K M - Scudder, G G E
    Type: Article
    In: Journal of the Entomological Society of British Columbia
    Volume: 113
    Date: 2016
    Page Range: 79--89
    Publication Info: [Victoria, etc.] Entomological Society of British Columbia