CEDEMERID^E OF BOREAL AMERICA. 407 



coarsely punctate, slightly alutaceous. Thorax broader 

 than long, sides arcuate in front, oblique behind, disc 

 rather depressed, moderately closely punctate and alu- 

 taceous. Elytra often slightly purplish, densely punc- 

 tured and opaque, the costae well marked. Beneath 

 shining, less closely punctate. Length .26-. 32 inch.; 

 6.5-8 mm. 



In the male the last ventral segment is shorter, truncate, 

 the middle slightly produced. In the female the last 

 ventral is longer, each side oblique, the center produced 

 in a point. 



Occurs in Colorado and Texas. 



Asclera ruficollis Say. ( (Edemera) Journ. Phil. Acad., 

 iii, p. 271; ed. Lee, ii, p. 160. 



Form slender, black, with thorax red. Head moder- 

 ately densely punctured and alutaceous. Thorax broader 

 than long, the sides arcuate in front and oblique behind, 

 disc with three foveate depressions; the posterior less 

 deep, surface opaque, alutaceous, without punctures ex- 

 cept a row of coarse punctures near the base. Elytra 

 densely punctured and opaque, and with three dorsal 

 costas very well marked. Body beneath more shining 

 than above and rather densely punctured. Length .20-. 26 

 inch. ; 5-6.5 mm. 



In the male the last ventral is shorter and broadly trun- 

 cate, in the female longer and slightly produced at middle. 



Occurs from Pennsylvania to Texas. 



Asclera excavata Lee. Ann. Lye. N. Y., v, p. 158. 



Form slender, black, elytra with faint . bluish tinge, 

 thorax red. Head moderately closely punctate. Thorax 

 slightly longer than wide, sides strongly arcuate in front, 

 oblique posteriorly, disc vaguely trifoveate, the surface 

 shining and sparsely punctate. Elytra densely punctured, 



