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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Williams, J L
    Type: Article
    In: Entomological news
    Volume: 53
    Date: 1942
    Page Range: 247--248
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  2. By: Williams, J L
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 91
    Date: 1978
    Page Range: 666--680
    Publication Info: Washington, Biological Society of Washington,
  3. By: Nalepa, C A - Ahlstrom, Kenneth R. - Nault, B A - Williams, J L
    Type: Article
    In: Entomological news
    Volume: 109
    Date: 1998
    Page Range: 277--281
    Publication Info: [Philadelphia], American Entomological Society, 1925-