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  1. By: Ibarra V., H - Parra, L E
    Type: Article
    In: Revista chilena de entomología
    Volume: 20
    Date: 1993
    Page Range: 35--41
    Publication Info: Santiago, Chile, La Universidad,
  2. By: Parra, L E - Angulo, Andrés O. - Jana-Saenz, C
    Type: Article
    In: Gayana. Zoología
    Volume: 50
    Date: 1986
    Page Range: 81--116
    Publication Info: [Concepción, Chile], Universidad de Concepción, Instituto de Biología, 1961-1998