OP PHILADELPHIA. 121 



Body dark brassy, sliglitly varied with a tinge of violaceous 

 and bluish ; hairy : antennos and palpi rufous : elytra somewhat 

 rugous, impunctured ; a large, somewhat irregular spot exterior 

 to the middle of the base, and including a humeral black oval spot ; 

 a small longitudinal oval spot before the middle ; an oblique 

 band on the middle hardly attaining the suture, and another 

 oblique band before the tip also hardly attaining the suture, pale 

 yellow : tarsi dark rufous. 



Length seven-twentieths of an inch. 



Found near the Rocky Mountains. [190] 



CLEPtUS Fabr. 



1. C. ROSMARUS. — Rufous; elytra with black and yellowish 

 bands ; rufous at base ; feet and abdomen black ; head immacu- 

 culate. 



Inhabits the United States. 



Clerus rosmarum Knoch in Melsh. Catal. 



Body rufous, punctured, hairy : head immaculate : eyes deep 

 black : antennaD dusky at tip : elytra rufous at base; a black band, 

 before the middle, sometimes wanting or obsolete ; a yellowish- 

 white band on the middle, covered with whitish hair, and point- 

 ing backwards at the suture ; a dilated black band behind the 

 middle ; and a pale rufous tip, covered with pale rufous hair : 

 tibia and venter deep black. 



Length one-fourth of an inch nearly. 



Observed in the State of Ohio. It also occurs in the Atlantic 

 States. The tip of the elytra, as well as the band of the middle 

 is of the same color with the hair which covers it. 



2. C. NIGRIFRONS. — Rufous, elytra with black and cinereous 

 bands, and rufous base : postpectus, venter and frontal spot, black. 



Inhabits the United States. 



Body rufous, hairy; punctures indistinct : head with a black 

 spot between the eyes ; eyes black : antennae and palpi blackish- 

 piceous : elytra with a rufous base, occupying more than one- 

 third of the length ; a very narrow black band before the mid- 

 dle; [191] a narrow whitish band on the middle covered with 

 cinereous hair, and curving backward at the suture; a dilated 

 black band behind the middle; tip black, covered with cinereous 

 1823.] 



