22 



Dendroctonus. 



Pars 4 



Wahl, "öeneration von Z>. micans; in: Zeitschr. 



f. Forst- u. Jagdwesen 1891, p. 589. — Weber, 



L. , Zur Biologie von Rhizophagus qrandls 



Gyllh., in: Allg. Zeitsch. f. Entom. VH, 1902, 



p.' 108. 

 monticolae Hopk. The black hüls beetle; in: Bull LVI Californien, 



U. St. Dep. Agric. 1905, p. 11. Montana 



similis Leconte, Proc. Am. Phil. Soc. 1876, p. 385. Oregon, 



(pars). Washington 



monticola Hopk. Proc. Meet. Soc. Prom. Agr. Sc. Wyoming 



at Denver 1901, p. 6?. 

 Biologie: Hopkins, Monograph. 1909, p. 105—109. 



inurrayanae Hopk. 1. c. p. 140 — 142. Wyoming, 



Colorado 

 obesns Mann. Bull. Soc. Imp. Nat. Mose. XVI, 1843, Oregon, 



p. 296. Washington 



similis Leconte, Reports of explorations 1860, 



p. 59. — Hopkins. Some notes on the genus 



Dendroctonus; in: Proc. Ent. Soc. Wash. V, 



1902, p. 3—4. 

 rufipennis Leconte, Synopsis 1868, p. 173; 



Rhynchophora 1876, p. 385. 

 rufipennis Harrington, Can. Ent. XXII, 1890, 



p. 189. 

 Biologie: Hopkins, Monograph. 1909, p. 135—138. 

 paralleloeollis Chap. Synopsis 1869, p. 36. — Blandford, 



Biol. Centr.-Am. Col. IV, pt. 6, 1897, p. 147. 



Biologie: Hopkins, Monograph. 1909, p. 99—101. 



piceaperda Hopk. Insect enemies of the spruce in the 



Northeast; in: Bull. XXVHI U. St. Dep. Agr. 



1901, p. 16. 

 Ilylurgus rufipennis Pack. The black spruce; 



in: Trans. Albany Inst. VIII, 1876, p. 283— 



301. — Packard, V Rep. U. St. Ent. Comm. 



U. St. Dep. Agr. 1890, p. 814—815. — Hough, 



Rep. on forestry VIII, 1882, p. 259—263. 

 Dendroctonus rufipennis Leconte, Rhyncho- 

 phora 1876, p. 385. 

 Polyqraj)hus rufipennis Packard, V Rep. U. 



St. Ent. Comm. U. St. Dep. Agr. 1890, p. 721. 

 Xyloterus hivittatus Packard, 1. c. p. 823. 

 Dendroctonus rufipennis Casey, The forester 



VI, 1900, p. 52—54. 

 Biologie: Hopkins, Monograph. 1909, p. 126 — 130. 

 ponderosae Hopk. Insect enemies of the pine; in: Bull. Arizona, 



XXXII U. St. Dep. Agr. 1902, p. 1—24. Colorado 



similis Leconte, Rhynchophora 1876. p. 385 (pars). 

 apjyroximatus Dietz, Trans. Am. Ent. Soc. XVII, 



1890, p. 31 (pars). 

 Biologie: Hopkins, Monograph. 1909, p. 109—114. 

 pseudotsiigae Hopk. Proc. Meet. Soc. Prom. Agr. Sc. Californien, 



Denver 1901, p. 67. Colorado, 



similis Leconte, Rhynchophora 1876, p. 385 (pars). Arizona, 



rufipennis Leconte, 1. c. (pars). Idaho, 



Simplex Dietz, Trans. Am. Ent. Soc. XVII, 1890, Montana, 



p. 31 (pars). Oregon, 



Biologie: Hopkins, Monograph. 1909, p. 121 — 126. ■ Utah, 



Washington 



Mexiko 



Maine, 

 Michigan, 

 New Hamp- 

 shire, 

 Canada 



