1897 
1899 
1899 
1900 
1906 
1907 
REPORT OF THE STATE ENTOMOLOGIST 1908 
Dendroctonus. Johnson. Penn. Agric. Rep’t, p. 73-77, fig. 2 
Dendroctonus. Hopkins. Ent. Soc. Wash. Proc. 4:343 
Dendroctonus. Hopkins. W. Va. Agric. Exp. Sta. Bul. 56, p. 349, 393 
Dendroctonus. Smith. Cat. Ins. N. J. p. 364 
Dendroctonus. Felt. N. Y. State Mus. Mem. 8, 2:753 
Tredl. Nahrungs, Verbreit. Borkenk, Europ. 11 [Entomol. Blatter, 
Nr. I mit 6] 
Habitat. Alaska, Canada, northern United States. 
Food plants. Picea, Pinus. 
40 simplex Lec. 
Dendroctonus. Leconte. Am. Ent. Soc. Trans. 2:173 
Dendroctonus. Leconte. Am. Phil. Soc. Proc. 15:384, 385 
Dendroctonus. Provancher. Faun. Ent. Can. v. 1, Add. et Cor. 
Penis l4 
Dendroctonus. Schwarz. Ent. Am. 2:56 
Dendroctonus. Schwarz. Ins. Life, 1:162 
=rufipennis Kirby. Schwarz. Ent. Soc. Wash. Proc. 1:175 
Dendroctonus. Dietz. Am. Ent. Soc. Trans. 17:28, 31 
Dendroctonus. Packard. U. S. Ent. Com’n, sth Rep’t, p. 722 
Dendroctonus. Hopkins. Ent. Soc. Wash. Proc. 4:343 
Dendroctonus. Hopkins. W. Va. Agric. Exp. Sta. Bul. 56, p. 394 
Dendroctonus. Felt. N. Y. State Mus. Mem. 8, 2:752 
Dendroctonus. Fall & Cockerell. Am. Ent. Soc. Trans. 33 :218 
Habitat. Canada to West Virginia, Colorado, California, New 
Mexico. 
Food plants. 
Picea, Larix. 
41 terebrans Oliv. 
Scolytus. Olivier. Ent. 4:78, p. 6, pl. 1, fig. 6, a-b 
Hylurgus. Harris. Inj. Ins. Mass. p. 72 
Hylurgus. Harris. Rep. Ins. Inj. Veg. p. 75-76 
Hylurgus. Fitch. Nox. Ins. N. Y. 4th Rep’t, p. 728 
Dendroctonus. Lacordaire. Gen. Col. 7:361 
Dendroctonus. Zimmerman. Am. Ent. Soc. Trans, 2:149 
Dendroctonus. Leconte. Am. Ent. Soc. Trans, 2:173 
Dendroctonus. Chapuis. Syn. Scol. p. 35 
Dendroctonus. Chapuis. Mem. Soc. Liége, p. 243 
Dendroctonus. Leconte. Am. Phil. Soc. Proc. 15:384, 385 
Dendroctonus. Thomas. Nox. Ins. Ill. 1st Rep’t, p. 146 
Dendroctonus. Provancher. Faun. Ent. Can. 1:572 
Dendroctonus. Provancher. Faun. Ent. Can. v. 1, Add. et Cor. 
Dp, 13) TA 
Dendroctonus. Schwarz. Am. Phil, Soc. Proc. 17:460 
Hylurgus. Saunders. Ont. Ent. Soc. 10:5 
Hylurgus. Saunders. Ont. Ent. Soc. 14:55 
Dendroctonus. Schwarz. Ent. Am. 2:56 
Dendroctonus. Schwarz. Ent. Soc, Wash. Proc. 1:80 
