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  1. By: Ferrell, George T.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Ferrell, George T.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  1. By: Valenti, Michael A. - Berryman, Alan A - Ferrell, George T.
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 51
    Date: 1997
    Page Range: 333--343
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-