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32 brevicomis Lec. 
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Dendroctonus. Hopkins. U. S. Div. Ent. Bul. 21, p. 13 
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Dendroctonus. Hopkins. U. S. Dep’t Agric. Yearbook, p. 281 
Dendroctonus. Hopkins. U. S. Div. Ent. Bul. 48, p. 18 
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Dendroctonus. Webb. U. S. Div. Ent. Bul. 58, pt 2, p. 20-22, 9 fig. 
Habitat. Cascade and Rocky mountain region of United States. 
Food plants. 
(?), Fabricius. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Dendroctonus. 
Pinus ponderosa, Pinus lambertiana. 
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Dendroctonus. Hopkins. 
Dendroctonus. Hopkins. C 
Dendroctonus. Hopkins. 
Dendroctonus. Chittenden. 
fig. 43 
Dendroctonus. Schwarz. 
Dendroctonus. Hopkins. 
Dendroctonus. Lugger. 
fig. 246 
Dendroctonus. Hopkins. 
Dendroctonus. Hopkins. U 
Dendroctonus. Hopkins. U 
Dendroctonus. Hopkins. U 
Dendractonus. Hopkins. C 
Dendroctonus. Hopkins. 
ime, 22 ok Wl WALI 
Dendroctonus. Hopkins. U 
Dendroctonus. Hopkins. 
Dendroctonus. Currie. 
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Ins. Life, 6:140 
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26 :280 
ane bart 
Can. Ent. 28:250 
USS Dive Entb ley 7a le Sey ease 
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U.S. Div, Ent: Ball 48) peep 
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US SS Dive Ent eBullss ep aco 
State Mus. Mem. 8, 1:6 
