REPORT OF THE STATE ENTOMOLOGIST 1908 
69 nebulosus Lec. 
113 
1859 Hylesinus. Leconte. Acad. Nat. Sci. Phila. Proc. p. 285 
1876 Hylesinus. Leconte. Am. Phil. Soc. Proc. 15 :380 
1894 Hylesinus. Hamilton. Am. Ent. Soc. Trans. 21 :35 
1904 Hylesinus. Hopkins. U. S. Div. Ent. Bul. 48, p. 20 
1905 Hylesinus. Currie. U.S. Div. Ent. Bul. 53, p. 75 
Habitat. British Columbia to California, east to Idaho and Colo- 
rado. 
Food plant. Pseudotsuga mucronata. 
70 sericeus Mannh. 
1843. Hylurgus. Mannerheim. Bul. Mosc. p. 206, (256) 
1852 Hylurgus. Mannerheim. Bul. Mosc. p. 356, (144) 
1852 Hylesinus. Mannerheim. Bul. Mosc. p. 385 
1868 Hylesinus. Leconte. Am. Ent. Soc. Trans. 2:170 
1876 Hylesinus. Leconte. Am. Phil. Soc. Proc. 15:379, 380 
1892 Hylesinus. Schwarz. Ent. Soc. Wash. Proc. 2:239 
1894 Hylesinus. Schwarz. Ins. Life, 7 :254-56 
1894 Hylesinus. Hamilton. Am. Ent. Soc. Trans. 21:35 
1904. Hylesinus. Hopkins. U. S. Div. Ent. Bul. 48, p. 20 
ig05 liylesinus, Currie. U. S. Div. Ent. Bul. 53, p. 75 
Habitat. Alaska to California. 
Food plant. Shore pine. 
HYLURGOPS Leconte 
Am. Phil. Soc. Proc. 15 :389 
Gol. Nj A: p. 525 
Leconte. 
Leconte & Horn. 
1888 Bedel. Faun. Col. Seine, p. 380, 408 
71 (?) cristatus Mannh. 
1853 Hylastes. Mannerheim. Bul. Mosc. p. 239, (220) 
1868 Hylastes. Leconte. Am. Ent. Soc. Trans. 2:177 
1876 (?) Hylurgops. Leconte. Am. Phil. Soc. Proc. 15 :390 
1894 Hylastes. Hamilton. Am. Ent. Soc. Trans, 21:36 
Habitat. Alaska. 
Food plants. 
72 (?) glabratus Zett. 
1828 Hylurgus. Zetterstedt. Fn. Ins. Lapp. p. 343 
1838 Hylurgus. Zetterstedt. Ins. Lapp. 192, 5 
1871 Hylastes. Salb. Berl. Ent. Zeit. p. 206 
1881 Hylastes. Ejichhoff. Borkenk. p. 91 
1886 Hylastes. Schwarz. Ent. Am. 2:56 
1888 Hylurgops. Hamilton. Am. Ent. Soc. Trans. 16:159 
1888 Tomicus. Bedel. Faun. Col. Bassin Seine, Rynch. p. 390 
1891 Hylastes. Hamilton, Ins. Life, 4:132 
1893 Hylurgops. Hopkins. W. Va. Agric. Exp. Sta. Bul. 31, p. 144 etc.; 
Bull. 32, p: 213 
