. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 295. — A Prionid Borer. Slightly enlarged. Original. Large, yellowish-wliite borers, sometimes 2 J inches long, occasion- ally are found working in or on the roots of grape\-ines, pear trees, and other fruits. They are the larva? of dark brown beetles of the gen\is Prionus. Whenworldng in a large root, the borer often hollows out the entire inner parts, leaving only the shell. Removal by hand is the only known Fig. 296. — Adult of a Prionid Borer, Prionus imbricornis. Origi- Please note th
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. Fig. 295. — A Prionid Borer. Slightly enlarged. Original. Large, yellowish-wliite borers, sometimes 2 J inches long, occasion- ally are found working in or on the roots of grape\-ines, pear trees, and other fruits. They are the larva? of dark brown beetles of the gen\is Prionus. Whenworldng in a large root, the borer often hollows out the entire inner parts, leaving only the shell. Removal by hand is the only known Fig. 296. — Adult of a Prionid Borer, Prionus imbricornis. Origi- 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