310 LONGICORNIA — CEKAMBYCIDAE. 



I, Thorax longer than broad ; eyes strongly granulate. 



1, First abdominal segment of normal length. 



Maxillary palpi at least three times as long as labial, last 

 joint of all slightly dilated at apex ; antennae as long as, or 

 slightly longer than body ; elytra elongate, parallel-sided, 

 rounded at apex. Gracilia, Serv. 



2. First abdominal segment nearly as long as all 

 the rest together. 



Palpi short, maxillary a little longer than labial, last 

 joint of all nearly threadlike, obtuse at apex ; antennae 

 about as long as body ; elytra double as long as head and 

 thorax, parallel-sided, rounded at apex. Obrium, Serv. 



II, Thorax as broad as, or broaderthan long; eyes finely 

 granulate. 



1. Anterior coxae globular. 



Antennae rather stout, shorter than body ; eyes some- 

 what broadly and strongly emarginate ; thorax very 

 convex ; elytra moderately elongate, more or less parallel- 

 sided, apex obliquely truncate ; femora gradually clubbed. 



Clytus, Fab. 



2, Anterior coxae strongly angular on outer-side. 



A A, Eyes not strongly emarginate ; femora 

 thickened in middle. 



Antennae shorter than half body, third joint not much 

 longer than fourth ; thorax transverse, moderately convex ; 

 elytra rather short, moderately convex, parallel-sided, 

 rounded at apex. Asemum, Esch. 



JB S. Eyes strongly emarginate ; femora thick- 

 ened at apex. 



a ct. Anterior coxae placed apart. 



Antennae scarcely reaching middle of elytra, third joint 

 double as long as fourth ; thorax transverse, rather flat, 

 sides rounded, disc with two shining callosities ; elytra 

 rather flat, moderately elongate, parallel-sided, apex 

 rounded. Hylotrupes, Serv. 



J) b. Anterior coxae placed near each other. 



Antennae a little shorter than body, third joint a little 

 longer than fourth ; thorax transverse, flat, sides strongly 



