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  1. By: Firmin, J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 89
    Date: 1977
    Page Range: 61--61
    Publication Info: [London s.n
  2. By: Firmin, J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 88
    Date: 1976
    Page Range: 303--303
    Publication Info: [London s.n
  3. By: Firmin, J
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 107
    Date: 1995
    Page Range: 43--43
    Publication Info: [London s.n