Balsam bark borer, T o m i c u s balsameus Lee. 



1 Advanced stage of work in bark 



2 A small gallery in bark 



3 Portion of galleries in wood, showing the same borings as represented 



in I 



4 Portion of wood from which the outer bark has been removed, showing 



very badly riddled, probably decaying tissues 



5 Wood rather badl\- carved by adult galleries 



