. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui. 1 17, Bureau of Entomology, U. S. Dept. of Agriculture. Plate Fig. 1.—Upper Row: Large, Full-Sized, Healthy Hops. Lower Row: Small, Rough Hops, Showing Loss in Weight Due to the Red Spider. (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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