IIo NEW YORK STATE MUSEUM 
1905 Gnathotrichus. Currie. U.S. Div. Ent. Bul. 53, p. 70 
1907 Gnathotrichus. Fall & Cockerell. Am. Ent. Soc. Trans. 33:217 
Habitat. Pacific coast and Rocky mountain region, Mexico. 
Food plants. Pinus, Tsuga, Pseudotsuga, Abies, Picea, Thuja, 
Sequoia. 
HYLASTINUS Bedel 
1888 Bedel. Faun. Col. Seine, 6:388 
63. obscurus Marsh. 
1802 Hylesinus. Marsham. Ent. Brit. p. 57 
1869 Hylesinus. Chapman. Ent. M. Mag. 6:7 
1888 Hylastinus. Bedel. Faun. Col. Seine, 6:388, 390, 408 
1894 Hylastinus. Riley & Howard. Ins. Life, 7:273 
1894 Hylastes. Davis. Mich. Agric. Exp. Sta. Bul. 116, p. 41, 47 
1896 Hylastes. Hopk. & Rumsey. W. Va. Agric. Bul. 44, p. 264 
1899 Hylastes. Webster. Ohio Agric. Exp. Sta. Bul. 112 
1900 Hylastinus. Fletcher. Ont. Ent. Soc. 31:67 
igor Hylastes. Webster. Ont. Ent. Soc. 32:64 
1907 Hylastinus. Webster. U. S. Div. Ent. Bul. 67 
1907 =—trifolii Miiller. Trédl. Nahrungs. Verbreit. Borkenk. Europ. 
p. 8, 20 [Entomol. Blatter, Nr 1 mit 6] 
trifolii Mii!ler 
1807 Hylesinus. Muller. Mem. Soc. Deprtm. M. Tonerre, 1:47 
1844 Hylastes. Schmitt. Stet. Ent. Zeit. p. 389-97 
1864 Hylesinus. Taschenburg. Naturg. wirbell. Thiere, p. 272-73 
1869 Hylastes. Chapuis. Syn. Scol. p. 22, 23, (79) 
1873 Hylastes. Chapuis. Mem. Soc. Liege, p. 231 
1878 Hylesinus. Riley. U. S. Dep’t Agric. Rep’t, p. 248 
1880 Hylesinus. Riley. Am. Ent. 3:180 
1881 Hylastes. Eichhoff. Borkenk. p. 97 
1881 Hylastes. Saunders. Ont. Ent. Soc. p. 43-44, fig. 15 
1881 Hylesinus. Lintner. N. Y. Agric. Soc. Rep’t (1880), p. 16 
1881 Hylesinus. Chase. Wis. Agric. Soc. Trans. 19:465 
1882 Hylastes. Saunders. Ont. Ent. Soc. 12:43 
1882 Hylastes. Lintner. ist N. Y. Rep’t, p: 247 
1886 Hylesinus. Schwarz. Ent. Am. 2:55 
1888 Hylesinus. Weed. Ohio Agric. Exp. Sta, Rep’t, p. 133, fig. 1 
1888 =obscurus Marsh. Bedel. Faun. Col. Seine, 6:391 
1889 Hylastes. Hamilton. Am. Ent. Soc. Trans. 16:159 
1889 Hylastes. Riley & Howard. Ins. Life, 1:218 
18900 Hylesinus. Packard. U. S. Ent. Com’n, 5th Rep’t, p. 227, fig. 72 
1891 Hylastes. Weed. Ohio State Bul. 4, no. 2, ser. 2, p. 53-55 
1891 Hylesinus. Fletcher. Can. Exp. Farm Rep’t 
1892 Hylesinus. Smith. Ins. Life, 5:99 
1893 Hylesinus. Webster. Ohio Agric. Exp. Sta. Bul. 51, p. 120 
1893 Hylesinus. Webster. Ind. Acad. Soc. Proc. p. 84 
1894 Hylastes. McCarthy. N. C. State Bul. 98 
