. Bulletin of the Department of Agriculture. Agriculture. Bui. 847, U. S. Dept. of Agriculture. Plate ! ROUNDHEADED APPLE-TREE BORER. A, Oviposition scars in bark of young apple tree. Natural size. B, Inner surface of bark peeled from young apple tree, showing position of eggs. Natural size. C, Eggs in natural position. Much enlarged. D, young borers attackiug lower trunk of young apple tree. E, Eggs. Much Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustratio
. Bulletin of the Department of Agriculture. Agriculture. Bui. 847, U. S. Dept. of Agriculture. Plate ! ROUNDHEADED APPLE-TREE BORER. A, Oviposition scars in bark of young apple tree. Natural size. B, Inner surface of bark peeled from young apple tree, showing position of eggs. Natural size. C, Eggs in natural position. Much enlarged. D, young borers attackiug lower trunk of young apple tree. E, Eggs. Much 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
