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  1. By: Chopra, N P
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 85
    Date: 1973
    Page Range: 88--89
    Publication Info: [London s.n
  2. By: Chopra, N P
    Type: Article
    In: The journal of the Bombay Natural History Society
    Volume: 71
    Date: 1976
    Page Range: 624--627
    Publication Info: Bombay Bombay Natural History Society 1886-