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  1. By: Withers, B. G.
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 87
    Date: 1975
    Page Range: 37--44
    Publication Info: [London s.n
  2. By: Withers, B. G.
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 87
    Date: 1975
    Page Range: 70--76
    Publication Info: [London s.n