INHABITING NORTH AMERICA. il 



I have not met with a living specimen of tliis insect : it is 

 rare. 



Far. a. A longitudinal, rufous, humeral spot ; punctures ot 

 the interstitial lines numerous, dilated. — In the Phila- 

 delphia Museum. 



Far. 0. Thorax hiack margined with rufous; a longitudinal, 

 rufous, humeral spot. 



Far. y. Thorax, head, and humeral spots rufous. 



The thorax of this species seems to vary in the length of 

 its transverse diameter. 



Genus Lebia. Lotr. Bonell. 



Anterior tibia emarginate ; elytra truncated at tip; palpi lili- 

 form ; terminal joint cylindrical, hardly truncate; tliorax 

 wider than long ; penultin\ate tarsal joint bilobatc ; nails 

 pectinated. 



Species. 



1. L. * tricolor — TIcad black ; mouth, antennje, thorax, and 

 feet ferruginous ; elytra green, polished. 



Length al)()ut tlirce-tenthsujf an incli. 



Head black, polished ; front minutely corrugated ; vertex 

 glabrous. 



Mouth, labrnm, and antenna- ferruginous or pale testaceous. 



Thorax ferruginous, glabrous, or very minutely rugose ; a 



• longitudinal impressed lin<^ ; margin depressed and some- 

 what dilated ; angles rounded ; beneath ferruginous. 



Feet colour of tlic tliorax. 



Scutel colfturofthe thorax. 



Elytra profoundly striate; stria? im|)unctured ; interstitial 

 lines convex; mar2;inal line interrupted by punctures from 

 the liumcrns to the apex. 



Fenter l)lackish. 



Length about three-tenths of an inch. 



2 



