Bulletin / 32 (1979-1981)

Parts

  1. Primary insect types in the Illinois Natural History Survey collection, exclusive of the Collembola and Thysanoptera
    By: Webb, Donald W
    Type: Article
    In: Bulletin Illinois Natural History Survey
    Volume: 32
    Date: 1980
    Page Range: 55--189
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  2. The genera of Nearctic Therevidae
    By: Irwin, Michael E - Lynborg, Leif
    Type: Article
    In: Illinois Natural History Survey Bulletin
    Volume: 32
    Date: 1981
    Page Range: 193--277
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