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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Swearingen, M - Headrick, D - Bellows, Tom.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 99
    Date: 1997
    Page Range: 513--522
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Headrick, D - Goeden, Richard Dean,
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 91
    Date: 1989
    Page Range: 594--603
    Publication Info: Washington, etc, Entomological Society of Washington,
  3. By: Goeden, Richard Dean, - Headrick, D
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 92
    Date: 1990
    Page Range: 641--648
    Publication Info: Washington, etc, Entomological Society of Washington,
  4. By: Headrick, D - Goeden, Richard Dean,
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 92
    Date: 1990
    Page Range: 512--520
    Publication Info: Washington, etc, Entomological Society of Washington,