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Please read BHL's Acknowledgment of Harmful Content
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  1. By: González, Roberto H., - Smith, L M
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 77
    Date: 1964
    Page Range: 35--45
    Publication Info: Washington, Biological Society of Washington,
  2. By: González, Roberto H.,
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 80
    Date: 1978
    Page Range: 191--196
    Publication Info: Washington, etc, Entomological Society of Washington,