NORTH AMERICAN" BUPRESTID BEETLES 163 



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rugose on the occiput, and rather sparsely clothed with long, re- 

 cumbent, whitish pubescence on lower half ; epistoma slightly trans- 

 verse between the antennae, and broadly but not deeply, arcuately 

 emarginate in front; antennae extending slightly beyond middle of 

 pronotum, serrate from the fourth joint, and the outer joints about as 

 wide as long; eyes large, strongly elongate, and equally rounded 

 above and beneath. 



Pronotum one-half wider than long, base and apex equal in width, 

 and widest at middle; sides strongly arcuately rounded from apical 

 angles to near base, where they are feebly sinuate ; when viewed from 

 the side the marginal and submarginal carinae are rather strongly 

 sinuate, rather widely separated anteriorly, and connected to each 

 other at or near the base; anterior margin feebly sinuate, and the 

 median lobe feebly, broadly rounded; base feebly, broadly emargi- 

 nate at middle of each elytron, the median lobe broadly rounded, and 

 subtruncate in front of scutellum; disk moderately convex, a more or 

 less distinct median depression composed of two parts, on each side 

 often a round, shallow depression, with broad, moderately deep lat- 

 eral depressions, and sharply defined, arcuate, prehumeral carinae; 

 surface obsoletely granulose, densely but not deeply, transversely 

 rugose, finely, sparsely punctate between the rugae, and sparsely, 

 uniformly clothed with short, inconspicuous hairs. Scutellum 

 strongly, transversely carinate, and the surface densely, finely 

 reticulate. 



Elytra slightly wider than pronotum at base, and about equal in 

 width at base and behind middle ; sides parallel for a short distance 

 behind base, broadly constricted in front of middle, broadly, arcu- 

 ately expanded behind middle, then obliquely narrowed to the tips, 

 which are separately, rather acutely rounded, and strongly serrulate ; 

 sides of abdomen narrowly exposed above; disk slightly flattened, 

 costae vaguely indicated, sutural margins elevated behind middle, 

 and with broad, deep, basal depressions; surface densely, finely im- 

 bricate-punctate, and sparsely, uniformly clothed with short, recum- 

 bent, whitish hairs. 



Abdomen beneath finely punctate, denser toward the sides, strongly 

 rugose on basal segments, and sparsely, uniformly clothed with mod- 

 erately long, semierect, whitish hairs, first segment broadly, longitu- 

 dinally concave at middle, and the bottom of the concavity roughly 

 sculptured; second segment with a smooth, deep groove, wider in 

 front than behind, and extending from anterior margin to apical 

 third; last segment transversely truncate or feebly emarginate at 

 apex; vertical portions of the segments rather densely but not con- 

 spicuously pubescent ; pygidium coarsely punctate, strongly carinate, 

 the carina strongly projecting, and truncate at apex. Prosternum 

 densely, finely rugose, densely punctate, and sparsely, uniformly 



