. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui. 97, Part I, Bureau of Enlomology, U. S. Dept of Agriculture, Plate Fig. 1.âCover Crop of Vetch in Vineyard of Mr. John Higgins, North East, Pa. (Original.) ,'l â hr« 1 i â m^^^^i ^^^^^ 1 Fig. 2.âCover Crop of Turnips in Vineyard of Mottier Bros., North East, Pa. Vineyard Badly Infested by Grape Leafhopper, which was Effec- tively Treated with Blackleaf Tobacco-Extract Spray, i Original. >. Please note that these images are extracted from scanned page images that may have been digitally enhanced for r

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. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui. 97, Part I, Bureau of Enlomology, U. S. Dept of Agriculture, Plate Fig. 1.âCover Crop of Vetch in Vineyard of Mr. John Higgins, North East, Pa. (Original.) ,'l â hr« 1 i â m^^^^i ^^^^^ 1 Fig. 2.âCover Crop of Turnips in Vineyard of Mottier Bros., North East, Pa. Vineyard Badly Infested by Grape Leafhopper, which was Effec- tively Treated with Blackleaf Tobacco-Extract Spray, i Original. >. 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 United States. Bureau of Entomology. Washington : G. P. O.

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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology