University of Illinois Urbana-Champaign

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Showing 1–30 of 33 items
Thumbnail for The hessian fly in Illinois, 1910
The hessian fly in Illinois, 1910
Forbes, Stephen Alfred

Thumbnail for The corn bill-bugs in Illinois
The corn bill-bugs in Illinois
Forbes, Stephen Alfred

Thumbnail for The San José scale in Illinois
The San José scale in Illinois
Forbes, Stephen Alfred

Thumbnail for The economic entomology of the sugar beet
The economic entomology of the sugar beet
Forbes, Stephen Alfred; Hart, C.A.

Thumbnail for Experiments with oats, 1891
Experiments with oats, 1891
Morrow, George Espy; Forbes, Stephen Alfred; Gardner, Frank Duane

Thumbnail for The chinch bug in southern Illinois, 1894
The chinch bug in southern Illinois, 1894
Forbes, Stephen Alfred; Morrow, George Espy; Farrington, Edward Holyoke