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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Nichols, B J - Sites, R W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 101
    Date: 1999
    Page Range: 779--787
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Sites, R W - Nichols, B J
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 101
    Date: 1999
    Page Range: 1--25
    Publication Info: Washington, etc, Entomological Society of Washington,