ROLAND HAYWARD. 75 



Elytra vet-y pale testaceous, narrowly rufous aloug the suture to beliiud the 

 middle where there is a large rufous spot often counected with the mar- 

 gin by a narrow transverse line ; head and thorax nigro-feneous ; elytra 

 finely striato-punctate, the five inner strife entire; legs testaceous, the 

 femora sometimes darker. Length .17-.20 inch fiiscicruni Mots. 



3. Thorax slightly narrower at base than apex, sides moderately arcuate in front, 



sinuate behind, hind angles rectangular; elytra moderately finely striato- 

 punctate, intervals nearly flat ; color usually more or less tinged with 



brownish. Length .18-.26 inch luciduni Lee. 



Thorax distinctly narrower at base than apex, sides strongly arcuate in front, 

 deeply sinuate behind, hind angles rectangular ; elytra moderately 

 deeply striato-punctate, intervals convex ; color darker and more metal- 

 lic ; form more convex. Length .21-.25 inch ustulatiiiu Linn. 



4. Thorax wider than long 5. 



Thorax as long as wide ; nigro-seueous, elytra often brownish at base with a 



submarginal pale spot about one-third from apex, which is rarely want- 

 ing, the first and second strife only entire, the fifth represented by a 

 groove at tip ; legs rufo-testaceous. Length .16-. 20 inch. 



scopuliniim Kirby. 



5. Head small, narrower than the thorax at apex : elytra with a submarginal 



pale spot near the apex, which is rarely wanting 6. 



Head as wide as the thorax at apex 7. 



6. Elongate, convex ; elytra finely striato-punctate. the strife not dilated, inter- 



vals feebly convex; antennfe piceous, the first joint rufous ; legs rufous, 

 the femora usually darker. Length .24-.30 inch. 



bimaculatiiin Kirby. 

 More convex; thorax more narrowed behind; elytra deeply striato-punctate, 

 the strife dilated on the disc, much finer at sides and tip; antennfe fus- 

 cous, the basal joints paler, legs pale yellowish testaceous. Length .24- 

 .28 inch postreiiiuiii Say. 



7. Elytra with the first and second strife entire, the fifth either entire or repre- 



sented by a groove at tip 8. 



Elytra with the first stria only entire, the fifth represented by a groove at tip. 9. 



Elytra with all the strife entire; viridi-feneous. the elytra without submar- 

 ginal pale spot, moderately deeply striato-punctate, more finely at sides 

 and tip ; legs rufous. Length .22-.24 inch caiiadeii!«e n. sp. 



Elytra with the five inner stria; entire ; nigro-seneous, the elytra usually with 

 a submarginal pale spot near the apex, moderately finely striato-punc- 

 tate ; legs testaceous or rufous, the femora sometimes darker. Length 

 .20-.25 inch striola Lee. 



8. Hind angles of thorax sub-acute ; elytra without submarginal pale spot. 



Dilated, slightly convex ; black, strongly tinged with blue ; thorax about one- 

 half wider than long: legs rufo-piceous, the femora darker. Lengtli 

 .24-.27 inch platyiioides n. sp. 



Slender, elongate, moderately convex ; piceous or nearly black, scarcely 

 Eeneous, thorax slightly wider than long; legs rufo-testaceous. Length 



.22-.25 inch stibaiigustatiiiii n. sp. 



Hind angles of thorax obtuse, but not rounded ; rather slender, elongate ; color 

 varying from brownish to black, slightly seneous, the elytra without sub- 

 marginal pale spot, rather deeply striato-punctate ; thorax witli the sides 



TRANS. AM. ENT. SOC. XXIV. MARCH, 1897. 



