1868 
1876 
1877 
1878 
1886 
1888 
1890 
1893 
1894 
1895 
1897 
1899 
IQOI 
1904 
1905 
1905 
1905 
1906 
1907 
1868 
1876 
1878 
1868 
1876 
1878 
1893 
1894 
1906 
1907 
1868 
1876 
1878 
1904 
1905 
REPORT OF THE STATE ENTOMOLOGIST 1908 109 
Gnathotrichus. Eichhoff. Berl. Ent. Zeit. p. 275 
Pityophthorus. Leconte. Am. Phil. Soc. Proc, 15 :350 
Cryphalus. Provancher. Faun. Ent. Can. 1:566 
Gnathotrichus Eichhoff. Rat. Tom. p. 406 
Gnathotrichus. Schwarz. Ent. Am. 2:40 
Gnathotrichus. Schwarz. Ent. Soc. Wash. Proc. 1:44, 80 
Gnathotrichus. Packard. U.S. Ent. Com’n, 5th Rep’t, p. 718-20, 816, 
fig. 249 
Gnathotrichus. Hopkins. W. Va. Agric. Exp. Sta. Bul. 31, p. 128; 
Bul. 32, p. 208 
Gnathotrichus. Hopkins. Can. Ent. 26:277 
Gnathotrichus. Hamilton. Am. Ent. Soc. Trans. 22:346, 378 
Gnathotrichus. Hubbard. U. S. Div. Ent. Bul. 7. n. s. p. 30 
Gnathotrichus. Hopkins. W. Va. Agric. Exp. Sta. Bul. 56, p. 434, 
AAC Hopes 12 
Gnathotrichus. Felt. Forest, Fish & Game Com’n Rep’t, 7 :495-06 
Gnathotrichus. Hopkins. U. S. Div. Ent. Bul. 48, p. 15 
Gnathotrichus. Hopkins. Ent. Soc. Wash. Proc. 7:73 
Gnathotrichus. Garman. Ky. Agric. Exp. Sta. Bul. 120, p. 609 
Gnathotrichus. Currie. U. S. Div. Ent. Bul. 53, p. 70 
Gnathotrichus. Felt. N. Y. State Mus. Mem. 8, 2:330, 371-72, fig. 75 
Gnathotrichus. Fall & Cockerell. Am. Ent. Soc. Trans. 33:217 
corthyloides Eich. 
Gnathotrichus. Eichhoff. Berl. Ent. Zeit. p. 273 
=rmateriarius Fitch. Leconte. Am. Phil. Soc. Proc. 15 :350 
—=materiarius Fitch. Eichhoff. Rat. Tom. p. 406 
Habitat. Eastern United States and Canada to Texas. 
Food plants. Pinus, Picea. 
6x retusus Lec. 
Cryphalus. Leconte. Am. Ent. Soc. Trans. 2:155 
Pityophthorus. Leconte. Am. Phil. Soc. Proc. 15:350 
Gnathotrichus. Eichhoff. Rat. Tom. p. 406, 511 
Gnathotrichus. Hopkins. W. Va. Agric. Exp. Sta. Bul. 31, p. 128; 
Bul. 32, p. 208 
Gnathotrichus. Hopkins. Can. Ent. 26:277 
Gnathotrichus. Felt. N. Y. State Mus. Mem. 8, 2:752 
Gnathotrichus. Fall & Cockerell. Am. Ent. Soc. Trans. 33:217 
Habitat. Nevada, Arizona, California. 
Food plant. Pinus. 
62 sulcatus Lec. 
Cryphalus. Leconte. Am. Ent. Soc. Trans. 2:155 
—retusus Lec. Leconte. Am. Phil. Soc. Proc. 15:350 
=retusus Lec. (?) Eichhoff. Rat. Tom. p. 408, 512 
Gnathotrichus. Hopkins. U. S. Div. Ent. Bul. 48, p. 15 
Gnathotrichus. Hopkins. Ent. Soc. Wash, Proc. 7:73 
