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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Riddick, E W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 92
    Date: 1990
    Page Range: 771--772
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Birmingham, F. - Riddick, E W - LaBerge, Wallace E. - Wheeler, J. W. - Duffield, Richard M.
    Type: Article
    In: Journal of the Washington Academy of Sciences
    Volume: 74
    Date: 1984
    Page Range: 47--50
    Publication Info: Washington [etc Washington Academy of Sciences]
  3. By: Riddick, E W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 94
    Date: 1992
    Page Range: 568--575
    Publication Info: Washington, etc, Entomological Society of Washington,
  4. By: Riddick, E W
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 95
    Date: 1993
    Page Range: 107--112
    Publication Info: Washington, etc, Entomological Society of Washington,