. Injurious insects : how to recognize and control them . Insect pests; Insect pests. — TheGrapc Root-borer. Original. robust. Infested vines do not usually die. but fail to make tlirifty growth. Two years are required by the borer to reach maturity, and therefore one will ordinarily find. 293. —Pupa of the Grape Root- borer. 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 O'Kane, Walter Collins, b. 1877

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. Injurious insects : how to recognize and control them . Insect pests; Insect pests. — TheGrapc Root-borer. Original. robust. Infested vines do not usually die. but fail to make tlirifty growth. Two years are required by the borer to reach maturity, and therefore one will ordinarily find. 293. —Pupa of the Grape Root- borer. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912