THE CANADIAN ENTOMOLOGIST. 



205 



coniferous forests. M. maculosus is more essentially western, but often 



common, while mannorator is very rare. Dr. Horn separates the 



species thus : 



A. Tips of elytra rounded, sutural angle acute or spiniform, especially 



in the male. Piceous or black, more or less bronzed, elytra 



irregularly mottled with patches of brownish and grayish or 



whitish pubescence. Punctuation very coarse and close. .66- 



1.06 inch maculosus, Hald. 



AA. Tips of elytra rounded, sutural angle not prolonged, usually very 

 obtuse. 



^ ^ ^- Black, distinctly bronzed. Elytral 



( x^^tf*/ ) patches of pubescence few or wanting ; 



V \ ^&. 1 y female antennae annulate. Scutellum 



densely clothed with white pubescence. 

 .64-1.24 inch. {^g.T,i) . scuteilatus, Say. 

 bb. Brown, elytra sparsely mottled with 

 patches of gray and brown pubescence. 

 Fig. 31. Female antennae not annulate, i.io- 



1.24 inch. (fig. 32) . . confusor, Kirby. 



AAA. Tips of elytra obliquely prolonged and acute, Elytra brownish, 

 surface feebly punctured, clothed with ochreous white and 

 brown patches intermixed, i.oo inch. .. .marmoraUr, Kirhy. 



Fig. 32 (after Harris). 



