. Bulletin of the Department of Agriculture. Agriculture. Bui. 847, U. S. Dept. of Agriculture. Plate ROUNDHEADED APPLE-TREE BORER. A, Blooming service trees, A melanchier canadensis. At this season of the year borers are undergoing transformation to beetles. B, Exit holes of beetles in clump of young service 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. Dept. of Agriculture. [Washington, D
. Bulletin of the Department of Agriculture. Agriculture. Bui. 847, U. S. Dept. of Agriculture. Plate ROUNDHEADED APPLE-TREE BORER. A, Blooming service trees, A melanchier canadensis. At this season of the year borers are undergoing transformation to beetles. B, Exit holes of beetles in clump of young service 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. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
