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  1. By: Schaufuss, L. W. (Ludwig Wilhelm), - Petzold, Frank
    Type: Article
    In: Entomologische Nachrichten
    Volume: 4
    Date: 1878
    Page Range: 104--106
    Publication Info: Berlin [etc.], R. Friedländer [etc.],
  2. By: Petzold, Frank - Cage, Bryan
    Type: Article
    In: Tulane studies in zoology and botany
    Volume: 31
    Issue: 2
    Date: 2002-03-25
    Page Range: 19--63
    Publication Info: New Orleans, Tulane University, [1968-