. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. Bui 58. Bureau of Entiimology, U. S. Dept of Aenculture. Plate Work of tke Western Pine-destroying Barkbeetle, Removed FROM Killed Tree. '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