. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig. 3.—Scolytus rugulosus: a, adult beetle; h, same in profile; c, pupa; d, larva—all magnified about 10 times. (U. S. Dep't. of Agriculture).. Fig. a.—Work of Scolytus rugulosus in twig of apple— natural size. (U. S. Dep't. of Agriculture).. 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 Entomological Society of Ontario; Onta

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. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. Fig. 3.—Scolytus rugulosus: a, adult beetle; h, same in profile; c, pupa; d, larva—all magnified about 10 times. (U. S. Dep't. of Agriculture).. Fig. a.—Work of Scolytus rugulosus in twig of apple— natural size. (U. S. Dep't. of Agriculture).. 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 Entomological Society of Ontario; Ontario. Dept. of Agriculture. Toronto, The Society

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872