BUPRESTIDiE. 155 



DESCRIPTION. 



Body below copper-bronzed, above dusky-bronzed ; glossy ; confluently punctured and wrinkled. 

 Head with numerous branching, levigated, narrow spaces ; eyes yellow surrounded with a black orbit; 

 mandibles black at the tip ; front longitudinally impressed in the centre : prothorax with numerous 

 levigated spaces, obsoletely channelled ; sides anteriorly rounded with a slight sinus near the base ; 

 basilar angles diverging : elytra very obsoletely furrowed, reticulated with numerous elevated lines, 

 many scattered levigated spaces ; bicarinated at the apex, the inner ridge being very short : suture 

 terminating in a point ; at their truncated extremity the elytra are divaricated and suddenly atten- 

 uated : the first segment of the abdomen, and the breast bones are hollowed out into a longitudinal 

 channel : prosternum linear. 



N. B. The specimens sent by Dr. Harris are as brilliant above as below. 



(208) 7. * Buprestis (Stenuris) tenebrosa. Tenebrous B. Stenuris. 



B. St. (tenebrosa) covfiuenter punctata ,■ supra nigra, obscura ; subtus cuprea nitida .- pruthorace lacunoso, latius canaliculatu .,- 

 elytris spatiis elevatis pluribus coticatenatis ; apice subito attenuatis rotundatis. 



Tenebrous B. Stenuris, confluently punctured, above black, obscure ; below cupreous, glossy : prothorax uneven, chan- 

 nelled with a wide channel : elytra with many concatenated elevated spaces ; suddenly attenuated at the apex 

 and rounded. 



Length of the body 7J lines. 



Several taken in Lat. 65°. and in the Rocky Mountains. 



DESCRIPTION. 



Very like the species just described but much smaller. Body confluently punctured, upper surface 

 black, with only the elevated parts glossy, lower bronzed-copper and glossy. Mouth and antenna? 

 bronzed ; eyes black ; front sculptured as in St. divaricata : prothorax uneven with shallow impres- 

 sions and a broad dorsal channel ; distinctly bisinuate at the base ; surface with levigated elevations : 

 scutellum very minute, impressed : elytra divaricated and suddenly attenuated at the apex, which is 

 rounded and has a single ridge ; surface rough with many concatenated and levigated irregular eleva- 

 tions, side of the tip bronzed : breast channelled underneath, but the first segment of the abdomen 

 less conspicuously, prosternum nearly an isosceles triangle: hypopygium 6 with three short teeth. 



6 See Introd. to Ent. iii, 389, n. 2 



X 2 



