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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Vickery, V. R. (Vernon Randolph), - Kerr, Gordon E
    Type: Article
    In: Proceedings of the Entomological Society of Ontario
    Volume: 105
    Date: 1975
    Page Range: 96--100
    Publication Info: Guelph, Ont., etc, Entomological Society of Ontario,
  2. By: Morris, Glenn K - Aiken, Ron B - Kerr, Gordon E
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 83
    Date: 1975
    Page Range: 229--234
    Publication Info: Lawrence, Kan Allen Press [etc.]