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  1. By: Howarth, T G
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 81
    Date: 1969
    Page Range: 294--295
    Publication Info: [London s.n
  2. By: Howarth, T G
    Type: Article
    In: Bulletin of the British Museum (Natural History) Entomology
    Volume: 36
    Date: 1977-10-27
    Page Range: 153--169
    Publication Info: London, The Museum, 1950-1977
  3. By: Howarth, T G
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 91
    Date: 1979
    Page Range: 9--9
    Publication Info: [London s.n
  4. By: Howarth, T G
    Type: Article
    In: Bulletin of the British Museum (Natural History) Entomology
    Volume: 18
    Date: 1966
    Page Range: 21--53
    Publication Info: London, The Museum, 1950-1977
  5. By: Howarth, T G
    Type: Article
    In: British journal of entomology and natural history
    Volume: 17
    Issue: 2
    Date: 2004
    Page Range: 101--102
    Publication Info: [London], British Entomological and Natural History Society, 1988-