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  1. By: Walther, H
    Type: Article
    In: Deutsche entomologische Zeitschrift Iris
    Volume: 40
    Date: 1926
    Page Range: 65--66
    Publication Info: Berlin R. Friedländer [1902-
  2. By: Walther, H
    Type: Article
    In: Deutsche entomologische Zeitschrift Iris
    Volume: 33
    Date: 1919
    Page Range: 139--146
    Publication Info: Berlin R. Friedländer [1902-