. Eastern forest insects. Forest insects. F-504093 Figure 31.—Oystershell scale, Lepidosaphes ulmi, on bark 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 Baker, Whiteford L. (Whiteford Lee), 1903-. Washington : U. S. Dept. of Agriculture, Forest Service ; for sale by the Supt. of Docs. , U. S. G. P. O

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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectforestinsects