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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Zeigler, David D. - Stewart, K W
    Type: Article
    In: Entomological news
    Volume: 96
    Date: 1985
    Page Range: 157--160
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  2. By: Zeigler, David D. - Stewart, K W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 89
    Date: 1987
    Page Range: 794--802
    Publication Info: Washington, etc, Entomological Society of Washington,
  3. By: Zeigler, David D.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 91
    Date: 1989
    Page Range: 583--587
    Publication Info: Washington, etc, Entomological Society of Washington,
  4. By: Zeigler, David D.
    Type: Article
    In: Entomological news
    Volume: 101
    Date: 1990
    Page Range: 283--287
    Publication Info: [Philadelphia], American Entomological Society, 1925-