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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Gibson, Lester P.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 87
    Date: 1985
    Page Range: 554--563
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Gibson, Lester P.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 84
    Date: 1982
    Page Range: 97--101
    Publication Info: Washington, etc, Entomological Society of Washington,
  3. By: Gibson, Lester P.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 84
    Date: 1982
    Page Range: 167--176
    Publication Info: Washington, etc, Entomological Society of Washington,