. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 56 THE SCOLYTID BEETLES. BASIS OF INFORMATION. The preceding information relating to this barkbeetle is based on investigations by the writer at Williams, Ariz., September, 1902, at Vermejo, N. Mex., May, 1903, at Flagstaff, Ariz., May, 1904, and near Ft. Garland, Colo., June, 1906; by Mr. J. at Flagstaff, Ariz., May to September, 1904, at Cloudcroft, N. Mex., and in the Santa Catalina National Forest, Arizona, May to September, 1907; by Mr. W. F. Fiske, at Meeks, Cloudcroft, and Capitan, N. Mex., in 1907;
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. 56 THE SCOLYTID BEETLES. BASIS OF INFORMATION. The preceding information relating to this barkbeetle is based on investigations by the writer at Williams, Ariz., September, 1902, at Vermejo, N. Mex., May, 1903, at Flagstaff, Ariz., May, 1904, and near Ft. Garland, Colo., June, 1906; by Mr. J. at Flagstaff, Ariz., May to September, 1904, at Cloudcroft, N. Mex., and in the Santa Catalina National Forest, Arizona, May to September, 1907; by Mr. W. F. Fiske, at Meeks, Cloudcroft, and Capitan, N. Mex., in 1907; by Mr. H. E. Burke, at Panguitch, Utah, in 1907; by Mr. W. D. Edmonston, at Monte Vista and Laveta, Colo., and La Sal, Utah, in 1907. Additional localities through correspondence are Las Animas County, Colo.; Show Low, and Paradise, Ariz., and. Fig. 17.—The roundheaded pine beetle: Distribution map. (Author's illustration.) the Fort Wingate Military Reservation, New Mexico. The species is represented in the forest-insect collection of the Bureau of Ento- mology by more than 100 specimens of the insect and of its work. BIBLIOGRAPHY. Hopkins, 1909, pp. 87-90. No. 4. THE SOUTHERN PINE BEETLE. (Dendroctonus frontalis Zimm. Figs. 18-31.) The southern pine beetle is a slender, cylindrical, brownish to black beetle, to mm. in length; the head is broad, with median ele- vations each side of a distinct frontal groove; the pro thorax is punc-. 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. Bureau of Entomology. Washington : G. P. O.
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