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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Boldt, Paul E. - Robbins, T O
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 94
    Date: 1992
    Page Range: 309--313
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Boldt, Paul E. - Woods, William - Robbins, T O
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 90
    Date: 1988
    Page Range: 207--215
    Publication Info: Washington, etc, Entomological Society of Washington,