236 MEMOIRS ON THE COLEOPTERA 



the elytra very moderately cuneiform, black throughout, the tarsi 

 sometimes piceous, the anterior tibiae and tarsi and the antennae 

 testaceous, the basal joint of the latter infuscate; head and prothorax 

 strongly and densely punctate, only slightly shining and bristling with 

 pale fulvous erect or suberect hairs, the former with prominent eyes 

 and much less prominent tempora, which are parallel (cf ) to oblique 

 ( 9 ) ; antennae long and slender, four-fifths as long as the body in the 

 male, not differing much sexually ; prothorax distinctly transverse, the 

 apex much narrowed and with deep constriction, the narrow smooth 

 median line obliterated before the middle; basal angles but very 

 moderately prolonged trarfsversely ; elytra nearly as in the preceding 

 but with the rather coarse punctures very widely spaced, being 

 separated by three to five times their own diameters, becoming 

 but slightly smaller apically but notably smaller and closer on the 

 basal swelling near the scutellum; surface strongly shining; abdomen 

 rather finely, closely punctate and with moderate hairs; legs rather 

 long, slender. Length (cf 9 ) 10.5-11.0 mm.; width 3.5 mm. 

 Washington State nitidipennis n. sp. 



Sutural bead not clothed differently from the general surface, the pu- 

 bescence of which is rather short, reclined, coarse, pale and distinct. 16 



16 Tempora but very little less prominent than the eyes, which are not 

 very convex or prominent. Body deep black throughout, the legs 

 picescent distally, the anterior tibiae and tarsi testaceous; antennae 

 rufo-piceous, with the basal joint black anteriorly, pale posteriorly, 

 slender, two-thirds as long as the body in the female; head and pro- 

 thorax extremely densely but not very finely punctate and slightly 

 shining, the former subquadrate, the tempora feebly oblique behind 

 the eyes ( 9 ) ; prothorax but slightly transverse, strongly narrowed 

 at apex and distinctly bi-impressed, the sides arcuate between the 

 constrictions; surface somewhat swollen at each side of the median 

 line, which is smooth in the type only in a small dash just behind the 

 middle; pubescence denuded in the type; elytra much wider than 

 the prothorax, moderately cuneiform, more than twice as long as 

 wide, the punctures moderately coarse, close-set, the surface trans- 

 versely subrugose by anteriorly oblique light; abdomen minutely, 

 feebly, rather closely punctulate, shining. Length (9) 9-5 mm.; 

 width 2.9 mm. Unlabeled in Levette collection . .intermedia n. sp. 



Tempora in both sexes much less prominent than the eyes, which are 

 more prominent and strongly convex; body and legs colored as in 

 intermedia 17 



17 Tempora oblique and nearly straight behind the eyes, apparently 

 in both sexes 1 8 



Tempora parallel and straight for a rather long distance behind the eyes, 

 at least in the male 19 



18 Body nearly as in the preceding but larger and with longer pubescence; 

 head relatively smaller, densely punctate, the tempora converging 

 and very short behind the eyes, then very broadly arcuate, then 

 sinuate to the neck, which is much narrower; antennae (9) nearly 

 similar; prothorax still more transverse and strongly campanulate, 

 much wider than the head, the basal angles unusually prolonged 



