156 THE SCOLYTID BEETLES. 



Romney. Additional localities from other collections: (M. C. Z.) New 

 Mexico; California; Pennsylvania; Idaho; Maine; Massachusetts; 

 Cambridge, Mass. (Le Conte) Middle States; Connecticut; Garland, 

 Colo. ; California. (Horn) North Carolina, Oregon, Wisconsin, Maine, 

 California, New Mexico, and Pennsylvania. (A. E. S.) Kansas, Idaho, 

 Nevada, Colorado, Canada, Virginia, Illinois, New Jersey. (W. & F.) 

 Durham, N. H. (U.S.N.M., H. & S.) Marquette, Mich.; Cambridge, 

 Mass.; Helena, Mont.; Garland, Colo.; Coeur d'Alene, Idaho; Hood 

 Hi ver, Oregon ; Chiricahua Mountains, Arizona ; Sisson,Cal. ; Coldridge, 

 N. Mex. (U.S.N.M., B. & S.) Las Vegas, N. Mex.; Bright Angel, 

 Prescott, Flagstaff, and Williams, Ariz. (Gillette) Colorado; Bailey, 

 Colo. (U.S.N.M.) Easton, Wash. ; Placer, Colo. ; Shasta County, Cal. ; 

 Powder River, Colorado; Lake Superior; Skokomish River, Wash- 

 ington; New Mexico; Siskiyou County, Cal.; Ozumba Mountain, 

 Mexico. (Weed & Fiske) Durham, N. H. (Webb) Pullman, Wash. 

 (Dietz) Pennsylvania, California, Arizona, Washington [State]. 

 (D. A.) Dunsmuir, Cal.; Custer County, Cal. (Chittenden) Duluth, 

 Minn.; Ithaca, N. Y.; Grangeville, Idaho; California. (Baldwin) 

 Ventura County, Cal. (Soltau) Colorado. 



Host trees. Pinus ponderosa, P. strobus, P. radiata, P. tigida, 

 P. lambertiana, P. murrayana, P. strobiformis, P. chihuahuana, P. 

 edulis, P. jeffreyi, P. sylvestris, P. virginiana, P. arizonica, P. sp.; 

 Picea canadensis, P. excelsa, P. rubens; Abies concolor; Larix laricina. 



Identified specimens. Le Conte, 10 specimens; M. C. Z., 55; Horn, 

 14; A. E. S., 8; U.S.N.M., 12; H. & S., 20; Dietz, 5; D. A., 3 speci- 

 mens. This species is also represented in the forest insect collection 

 of this Bureau by about 5,000 specimens, including all stages and 

 work. 



BIBLIOGRAPHY AND SYNONYMY. 



Scolytus terebrans (not of Oliv.) Harris, 1826, pp. 169, 170, character and habits. Har- 

 ris, 1862, p. 86, footnote, name only. Zimmerman, 1868, p. 149, as synonym for 

 D. terebrans (in part). 



Hylurgus terebrans (not of Oliv.) Harris, 1841, p. 72, brief description of larva? and 

 habits. Harris, 1842, pp. 72, 73, repeated. Harris, 1852, p. 76, repeated. Fitch, 

 1858, pp. 728-729, description of adult and larva, habits? Harris, 1862, p. 86, 

 repeated, fig. 42, adult. Harris, 1863, pp. 84-86, fig. 42, adult, account repeated. 

 Thomas, 1876, p. 146, brief description of adult and habits of larva. Smith, 1877, 

 p. 52, work in pine. 



Dendroctonus valens Le Conte, 1860, p. 59, original description. Le Conte, 1868, p. 

 173, mentioned as synonym of D. terebrans Lacordaire. Chapuis, 1869, p. 35; 

 Chapuis, 1873, p. 243. Le Conte, 1878, p. 472, list, Atlanta, Idaho. Hopkins, 

 1903a, p. 61, reference to habits, etc. Hopkins, 1904, p. 19, PI. VII, figs, a, 6, g 

 (reprint). Powell, 1904, anatomy. Powell, 1905, ibid. Hopkins, 1905, pp. 6, 

 11, 17, distinctive characters. Hopkins, 1906b, p. 147, PI. IV, figs. 6, 8, anatomy 

 of larval head. Hopkins, 1906c, p. 81, mentioned as a good species, host, 

 localities, etc. Fall, 1907, p. 218, list, localities. 



