CKRAMBYCIDAE. 313 



the base, somctiiiies Itispinose at tip, sometimes acute and dehis- 

 cent, but usually rounded and dehiscent. 



'I'he species occur on flowers, are generally prettily colored, 

 and usually clothed with tine pubescence 



A. First joint of hind tarsi with the usual brush of hair beneath (except 



in certain Acmajops). 



a. Prosternum prominent between tlie coxae. Rhagium. 



b. Prosternum not prominent, front coxje conical, protuberant ; head 



not suddenly constricted behind. (Toxoti.) 



Eyes large, coarsely granulated ; spurs terminal. Centrodera. 



Eyes smaller, coarsely granulated ; spurs terminal. Xylosteus. 



Tibial spurs not terminal (eyes variable). Toxotus. 

 Eyes finely granulated, tibial spurs terminal ; 

 Prothorax acutely armed on the sides ; 



Eyes moderate, feebly emarginate. Pachyta. 



Eyes large, strongly emarginate. Anthophylax. 



Eyes very small, entire. Fiodes. 

 Prothorax obtusely angulated or rounded on the sides ; eyes small, 

 entire ; 



Mesosternum not protuberant. Acmgeops. 



Mesosternum protuberant. Gaurotes. 



B. First joint of hind tarsi without brush-like sole; prosternum not 



prominent ; head strongly and suddenly constricted behind ; eyes 

 finely granulated, deeply emarginate. (Leptur.*:). 



Last ventral segment of % deeply excavated ; body very slender ; 

 Elytra strongly sinuate on the sides ; antenme without poriferous 



spaces. Bellamira. 



Elytra less sinuate on the sides; antennae with poriferous spaces 



on the outer joints. Strangalia. 



Last ventral segment of ^ not excavated ; 



Antennte with large poriferous spaces. Typocerus. 



Antennae without poriferous spaces ; 



Hind coxae not contiguous. Leptura. 



Hind coxae contiguous. Euryptera. 



The type and only species of Bellamira is the large and elegant 

 Leptura acalarin Say (Toxotus coarctatus Bald.) of the Atlantic 

 States. 



To Euryptera belongs Lept. lateralU Oliv. (distans Germ.). 



Stenocorus Geoffroy is equivalent to Khagium Fair. 



Sub-Family III.— LAMIIN^. 



The members of this sub-family are usually very easily recog- 

 nized by (1) the prothora.x not being margined; (2) the j>alpi 



