140 



THE SCOLYTID BEETLES. 



shining; thorax slightly narrower than elytra, with sides distinctly 

 narrowed toward the head, the surface with coarse and fine punc- 

 tures; elytra elongate, with coarse 

 rugosities between rows of indis- 

 tinct coarse punctures, the punc- 

 tures on the sides of the elytra 

 very coarse; the declivity with 

 rows of coarse, distinct punctures, 

 and the body sparsely clothed with 

 long hairs. (See fig. 90.) 



BASIS OF INFORMATION. 



One specimen of this species was 

 taken by the writer in the higher 

 mountains of Randolph County, 

 W. Va., May 21, 1893, from a 

 freshly excavated gallery in the 

 bark of the stump of a red spruce 

 tree felled during the previous 

 winter. This appears to be all 

 that is known of its habits. 



It is represented in the Le Conte 

 collection by two specimens from 

 New York, from which descriptions 

 were made in 1868, and by one 

 specimen from Pennsylvania in the collection of the Academy of 



Fig. 90.— The Allegheny spruce beetle (Dendroc 

 tonus punctatus): Adult. Greatly enlarged 

 (Author's illustration.) 



Fig. 91. — The Allegheny spruce beetle: Distribution map. (Author's illustration.) 



Natural Sciences, Philadelphia, Pa. Therefore, so far as known, its 



