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  1. By: Ewing, Arthur W.
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 113
    Date: 2001
    Page Range: 85--86
    Publication Info: [London s.n
  2. By: Parkin, P - Parkin, D T - Ewing, Arthur W. - Ford, H A
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 48
    Issue: 2
    Date: 1972
    Page Range: 100--107
    Publication Info: San Francisco, Pacific Coast Entomological Society,