. Destructive insects affecting Ohio shade and forest trees. Beneficial insects -- Ohio; Insect pests -- Ohio; Trees -- Diseases and pests Ohio; Insects -- Ohio. PLATE f 4-V^ .;., AUneniCoBaltimore From Bui. 91, Bureau of EntOfTiology, U. S. Dept. of Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Houser, John S. [Wooster, Ohio : Experiment Station

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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1910, bookyear1918