242 THE SCOLYTID BEETLES. 



Picea canadensis — Page. 



hoat of Dendrodonus 79 



host of Dendrodonus borealis 135 



host of Dendrodonus engelmanni 133 



host of Dendrodonus piceaperda 129 



host of Dendrodonus valens 156 



Picea engelmanni — 



host of Dendrodonus ^ 79 



host of Dendrodonus engelmanni 133 



host of Dendrodonus monticolae 109 



host of Dendrodonus murrayanse, 142 



host of Dendrodonus ponderosse 113 



Picea excelsa — 



host of Dendrodonus jrontalis 95 



host of Dendrodonus valens 156 



Picea mariana — 



host of Dendrodonus 79 



host of Dendrodonus jnceaperda 129 



Picea rubens — 



host of Dendrodonus 79 



host of Dendrodonus Jrontalis 95 



host of Dendrodonus piceaperda 129 



host of Dendrodonus pundatus 142 



host of Dendrodonus terebrans 150 



host of Dendrodomis valens 156 



Picea sitchensis — 



host of Dendrodonus 79 



host of Dendrodonus obesus 137 



Pinus — 



host of Crypturginse 209 



host of Dendrodonus micans 145 



host of Dendrodonus valens 68 



host of Gnaihotrichus 209 



host of Hylesininse 209 



host of Monarthrura and Cortliylus 209 



host of Pityogenes and Ips 209 



Pinus arizonica — 



host of Dendrodonus 79 



host of Dendrodonus approximatus 104 



host of Dendrodonus valens 156 



Pinus ayacahuite — 



host of Dendrodonus mexicanus 98 



host of Dendrodonus parallelocollis 101 



Pinus chihuahuana — 



host of Dendrodonus 79 



host of Dendrodonus approximatus 104 



host of Dendroctonus convexifrons 90 



host of Dendroctonus valens 156 



Pinus echinata — 



host of Dendroctonus 79 



host of Dendrodonus Jrontalis 95 



host of Dendroctonus terebrans 150 



