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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Szadziewski, R - Grogan, William L
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 96
    Date: 1994
    Page Range: 219--229
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Szadziewski, R - Wirth, Willis Wagner
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 85
    Date: 1983
    Page Range: 359--361
    Publication Info: Washington, etc, Entomological Society of Washington,