INDEX. 235 



Dendroctonus adjunctus — Page. 



historical '6 



original description 157-158 



Dendroctonus approximatus — ■ 



adult, variations, distinctive characters, revisional notes 101-103 



bibliography and synonymy 104 



distribution 104 



galleries 104 



historical 3 



host trees 104 



identified specimens 104 



in synopsis of characters 70 



larva 103 



pupa 103 



Dendroctonus arizonicus — 



adult, variations, distinctive characters, revisional notes 96 



bibliography 97 



distribution 97-211 



galleries 97 



historical 4 



host tree 97 



identified specimens 97 



in synopsis of characters 70 



larva , 96 



paired species 211 



pupa 96 



Dendroctonus barberi — 



adult, variations, distinctive characters, revisional note 86 



bibliography and synonymy 87 



distribution 86-87, 211 



galleries 86 



host trees 87 



identified specimens 87 



in synopsis of characters 70 



larva 86 



paired species 211 



Dendroctonus bifurcus, historical 3 



Dendroctonus borealis — • 



adult, variations, distinguishing characters, revisional notes 133-134 



bibliography and synonymy 135 



distribution 135 



historical 4 



host tree 135 



identified specimens 135 



in synopsis of characters 72 



Dendroctonus brevicomis — 



adult, variations, distinctive characters, revisional notes 81-83 



bibliography and synonymy 84-85 



distribution 84, 211 



galleries 84 



historical 3 



host 68, 84 



identified specimens 84 



in synopsis of characters 7i. 



