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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Smith, C F - Pepper, John O.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 70
    Date: 1968
    Page Range: 57--60
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Struble, D B - Osgood, E A - Pepper, John O.
    Type: Article
    In: Entomological news
    Volume: 87
    Date: 1976
    Page Range: 280--284
    Publication Info: [Philadelphia], American Entomological Society, 1925-