. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fig. 59.—Larua or grub stage of the root borer. p^^^ to.—Pupa stage of root borer. Fig. 58'—Mature root borer Natural size at right. (Figs, 58-60, from Circ. 67, U. S. Dept. Agr.) The fully developed insect is a small, dark brown, hard-bodied beetle (Fig. 58). The larva, or grub (Fig. 59), is about an eighth of an inch long, dingy white, with honey-yellow head. The pupa (Fig. 60) is even smaller than the larva, also dingy


. Annual report of the Cornell University Agricultural Experiment Station, Ithaca, Cornell University. Agricultural Experiment Station; Agriculture -- New York (State). Fig. 59.—Larua or grub stage of the root borer. p^^^ to.—Pupa stage of root borer. Fig. 58'—Mature root borer Natural size at right. (Figs, 58-60, from Circ. 67, U. S. Dept. Agr.) The fully developed insect is a small, dark brown, hard-bodied beetle (Fig. 58). The larva, or grub (Fig. 59), is about an eighth of an inch long, dingy white, with honey-yellow head. The pupa (Fig. 60) is even smaller than the larva, also dingy white. There is one generation annu- ally. The insects winter in the adult stage and do not abandon the roots until about May, when they come out and begin laying their »Jour. Mycol. 12 No. 85, pp. 192-3. Science N. S. 22 (1905) No. 564, p. 503- 'Ohio, Bulletin 196, p. 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 Cornell University. Agricultural Experiment Station. [Ithaca, N. Y. ?], 1900-1910. James B. Lyon, State printer)


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