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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Bystrak, Paul G. - Messersmith, D H
    Type: Article
    In: Entomological news
    Volume: 84
    Date: 1973
    Page Range: 17--21
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  2. By: Bystrak, Paul G. - Messersmith, D H
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 82
    Date: 1980
    Page Range: 108--116
    Publication Info: Washington, etc, Entomological Society of Washington,