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  1. By: Dreistadt, Steve H - Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 70
    Issue: 3
    Date: 1994
    Page Range: 240--252
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  2. By: Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎ - Dreistadt, S H
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 66
    Issue: 4
    Date: 1990
    Page Range: 323--324
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  3. By: Dreistadt, Steve H - Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎ - Bezark, Larry G
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 71
    Issue: 2
    Date: 1995
    Page Range: 135--136
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  4. By: García, R - Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎ - Voigt, William G.
    Type: Article
    In: Quaestiones entomologicae
    Volume: 26
    Issue: 2
    Date: 1990
    Page Range: 139--149
    Publication Info: Edmonton, Dept. of Entomology, University of Alberta,
  5. By: Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎ - Caltagirone, Leopoldo E.
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 44
    Date: 1968
    Page Range: 241--248
    Publication Info: San Francisco, Pacific Coast Entomological Society,
  6. By: Chandler, D. S. (Donald S.) - Hagen, Kenneth S.‏ (Kenneth Sverre),‏ ‎
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 53
    Issue: 3
    Date: 1977
    Page Range: 230--232
    Publication Info: San Francisco, Pacific Coast Entomological Society,