100 



THE SCOLYTID BEETLES. 



BASIS OF INFORMATION. 



The data on this barkbeetle have been secured through investiga- 

 tions by the writer in the Black Hills National Forest, September, 

 1901, August, 1902, and June, 1903; at Vermejo, N. Mex., May, 1903; 

 at Flagstaff, Ariz., May, 1904; in the Pike National Forest and in 

 the vicinity of Colorado Springs, Colo., October, 1905, and June, 

 1906, and in the vicinity of Fort Garland, Colo., June, 1906; by Mr. 

 J. L. Webb, in the Black Hills National Forest, South Dakota, May 

 to October, 1902, and April to September, 1906; in the Chiricahua 

 National Forest, Arizona, June to September, 1907; by Mr. H. E. 

 Burke, at Nemo, S. Dak., November, 1904; at Kamas, Panguitch, and 

 Panguitch Lake, Utah, June to September, 1907; by Mr. W. D. 



Fig. 59. — The Black Hills beetle: Distribution map. (Author's illustration.) 



Edmonston, at Larkspur, Colo., July, 1906; at Brookvale, Sequache, 

 Poncha Springs, San Juan National Forest, Wagon Wheel Gap, Coche- 

 topa National Forest, Monte Vista, White Kiver National Forest, 

 Uncompahgre National Forest, and Colorado Springs, Colo., January 

 to December, 1907; in the San Isabel National Forest, at Hahns Peak 

 and Clarke, in the Gunnison National Forest, the Hayden National 

 Forest, the La Salle National Forest, the Ouray National Forest, 

 the Pike National Forest, the Routt National Forest, the San Juan 

 National Forest, the Wet Mountains National Forest, and the White 

 River National Forest, Colorado (12 national forests), and at Encamp- 

 ment and Downington, Wyo., in 1908. Additional localities through 

 correspondence and other collections are Palmer Lake, Cat Mountain, 

 Trinchera Estate, Fort Collins, Pine, and the Medicine Bow National 



