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  1. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 102
    Date: 1990
    Page Range: 225--226
    Publication Info: [London s.n
  2. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 111
    Date: 1999
    Page Range: 62--62
    Publication Info: [London s.n
  3. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 111
    Date: 1999
    Page Range: 148--148
    Publication Info: [London s.n
  4. By: Welch, R. Colin - Plant, R A
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 92
    Date: 1980
    Page Range: 123--124
    Publication Info: [London s.n
  5. By: Alexander, Keith N. A., - Welch, R. Colin
    Type: Article
    In: British journal of entomology and natural history
    Volume: 7
    Date: 1994
    Page Range: 52--52
    Publication Info: [London], British Entomological and Natural History Society, 1988-
  6. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 109
    Date: 1997
    Page Range: 98--100
    Publication Info: [London s.n
  7. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 102
    Date: 1990
    Page Range: 23--24
    Publication Info: [London s.n
  8. By: Welch, R. Colin - Jukes, Martin R
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 111
    Date: 1999
    Page Range: 133--134
    Publication Info: [London s.n
  9. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 89
    Date: 1977
    Page Range: 195--198
    Publication Info: [London s.n
  10. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 107
    Date: 1995
    Page Range: 185--187
    Publication Info: [London s.n
  11. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 109
    Date: 1997
    Page Range: 76--76
    Publication Info: [London s.n
  12. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 102
    Date: 1990
    Page Range: 291--292
    Publication Info: [London s.n
  13. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 103
    Date: 1991
    Page Range: 108--109
    Publication Info: [London s.n
  14. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 115
    Date: 2003
    Page Range: 193--194
    Publication Info: [London s.n
  15. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 112
    Date: 2000
    Page Range: 163--166
    Publication Info: [London s.n
  16. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 113
    Date: 2001
    Page Range: 27--28
    Publication Info: [London s.n
  17. By: Welch, R. Colin
    Type: Article
    In: The entomologist's record and journal of variation
    Volume: 110
    Date: 1998
    Page Range: 283--284
    Publication Info: [London s.n