108 
1876 
1878 
1886 
1890 
1804 
1899 
1904 
1905 
1868 
1876 
1902 
1902 
1868 
1876 
1878 
1883 
1904 
1868 
1876 
1878 
1886 
1888 
1890 
1906 
1858 
1868 
NEW YORK STATE MUSEUM 
56 unispinosus Lec. 
Scolytus. Leconte. Am, Phil. Soc. Proc. 15:371, 372 
Scolytus. Leconte. Am. Phil. Soc. Proc. 17:626 
Scolytus. Smith. Ent. Am. 2:125-27 
Scolytus. Packard. U. S. Ent. Com’n, 5th Rep’t, p. 859, fig. 203 
Scolytus. Schwarz. Ins. Life, 7:255 
Scolytus. Hopkins. U. S. Div. Ent, Bul. 21, p. 16 
Scolytus. Hopkins. U. S. Div. Ent. Bul. 48, p. 20 
Scolytus. Currie. U.S. Div. Ent. Bul. 53, p. 76 
Habitat. Pacific coast and Rocky mountain region of United 
States. 
Food plants. Pseudotsuga mucronata, Larix occi- 
arent tes) 
57 ventralis Lec. 
Scolytus. Leconte. Am. Ent. Soc. Trans. 2:167 
Scolytus. Leconte. Am. Phil. Soc. Proc. 15:371, 373 
Habitat. Washington. 
Food plants. 
ERINEOPHILUS Hopkins 
Hopkins. Ent. Soc. Wash. Proc. 5:34 
58 schwarzi Hopk. 
Erineophilus. Hopkins. Ent. Soc. Wash. Proc. 5:34-38, fig. 2 
Habitat. Florida. 
Food plant. Ficus. 
GNATHOTRICHUS Eichhoff 
Eichhoff. Berl. Ent. Zeit. p. 275 
Leconte. Am. Phil. Soc. Proc. 15:350 
Eichhoff. Rat. Tom. p. 405 
Leconte & Horn. Col. N. A. p. 517 
Blandford. Biol. Centr. Am. Col. 4, pt 6, p. 246 
59 asperulus Lec. 
Cryphalus. Leconte. Am. Ent. Soc. Trans. 2:155 
Pityophthorus. Leconte. Am. Phil. Soc. Proc. 15:350 
Cryphalus. Ejichhoff. Rat. Tom. p. 202 
Gnathotrichus. Schwarz. Ent. Am. 2:40 
Gnathotrichus. Schwarz. Ent. Soc. Wash. Proc. 1:80 
Gnathotrichus. Packard. U. S. Ent. Com’n, 5th Rep’t, p. 720 
Gnathotrichus. Felt. N. Y. State Mus. Mem. 8, 2:726 
Habitat. Washington, D. C., Virginia. 
Food plant. Pinus. 
60 materiarius Fitch 
Tomicus. Fitch. Nox. Ins. N. Y. 4th Rep’t, p: 40-42 
Crypturgus. Zimmerman. Am, Ent. Soc. Trans. 2:143 
