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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Wirth, Willis Wagner - Dyce, A L - Peterson, B V - Roper, I
    Type: Article
    In: Contributions of the American Entomological Institute
    Volume: 22
    Issue: 4
    Date: 1985-11-25
    Page Range: 1--46
    Publication Info: [Ann Arbor, Mich American Entomological Institute] 1964-
  2. By: Borkent, Art, - Wirth, Willis Wagner - Dyce, A L
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 89
    Date: 1987
    Page Range: 587--606
    Publication Info: Washington, etc, Entomological Society of Washington,