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Bulletin 32 (1979-1981)
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Primary insect types in the Illinois Natural History Survey collection, exclusive of the Collembola and Thysanoptera
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By: Webb, Donald W.
Type: Article
In: Bulletin
Volume: 32
Date: 1980
Page Range: 55--189
Publication info: Urbana State of Illinois, Dept. of Registration and Education, Natural History Survey Division 1918-1985
The genera of Nearctic Therevidae
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By: Irwin, Michael E - Lynborg, Leif
Type: Article
In: Bulletin
Volume: 32
Date: 1981-11
Page Range: 193--277
Publication info: Urbana State of Illinois, Dept. of Registration and Education, Natural History Survey Division 1918-1985