Courtesy H. F. Cerezke, Can. For. Serv. 
Figure 144.—Whitespotted sawyer, Monochamus 
scutellatus: A, adult; B, larvae and damage. 
cutting the trees between September and early June and removing them from the 
woods before late June. Damage to pulpwood can be reduced by piling it in the 
shade of standing trees or covering the piles with layers of slash 0.3 to 0.6 m thick. 
The northeastern sawyer, M. notatus (Drury), occurs in eastern Canada and in 
the Northeastern States, westward to the Great Lakes region, and breeds in dead 
and dying eastern white pine and balsam fir and in windthrown red spruce. Adults 
are dark brown and up to 30 mm long. The head and pronotum are irregularly 
clothed with fine white hairs; the elytra are covered with fine gray and white hairs 
arranged in the form of interrupted stripes. The female head 1s greatly flattened and 
elongated. 
The balsam fir sawyer, M. marmorator Kirby, breeds in true firs in eastern 
Canada and the Northeastern States, west to the Great Lakes region and south to 
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