78 



CATALOGUE OF 



b. Head unarmed beneath, a little shorter than the 

 prothorax ; post-ocuhir part short, rounded 

 and much narrowed hindward, broader than 

 the ante-ocular. Ocelli on a somewhat ele- 

 vated base. Eyes large, transverse, very ap- 

 proximate beneath. Antennae moderately 

 long; first joint shorter than the head. Pro- 

 thorax in front slightly sinuously narrowed ; 

 fore angles with a spine or acute tubercle; 

 lateral angles acute, not or but slightly pro- 

 minent. Sculclluin acute, slightly elongated 

 at the tip. Abdomen a little broader than the 

 fore wings. Legs rather long ; hind femora 

 extending about to the tip of the abdomen or 

 beyond it. 

 * Fore femora much thickened. - 



** Fore femora slightly thickened. 

 *** Fore femora unarmed, not thickened. 



f Ocelliferous part of the head somewhat elevated. 



Eyes very large. 

 I First joint of the rostrum as long as the ante- 

 ocular part of the head. - 

 || Ante-ocular part of the head a little longer than 

 the post-ocular, not elongated in front of the 

 antennae, with two porrect contiguous spines 

 above between the antennae and extending 

 beyond the tip of the head. First joint of 

 the rostrum a little shorter than the third 

 and fourth together, somewhat longer than 

 the ante-ocular part of the head. Legs 

 hardly long; fore femora unarmed, slightly 

 thickened ; hind femora hardly reaching 

 the tip of the abdomen; hind tibiae with 

 hardly long hairs. Prothorax distinctly 

 broader than long; sides with no tubercle. - 



}|{ Ante-ocular part of the head about twice longer 

 than the post-ocular, somewhat elongated in 

 front of the insertion of the antenna?, above 

 between the antennae with two little spines, 

 which are almost erect or slightly inclined 

 forward. First joint of the rostrum some- 

 what shorter than the ante-ocular pari of the 

 head ; second as long or longer than the fiist. 

 Prothorax almost equally long and broad ; 

 lateral borders more or less distinctly tuber- 

 culate in the middle. 

 § First and second joints of the rostrum equally 

 long. Fore femora unarmed, very slightly 

 thickened. Hind femora extending beyond 

 the tip of the abdomen. 



§§ First joint of the rostrum shorter than the 

 second. Fore femora rather much thickened, 



Oncocephalus. 

 Bcebius. 



Caunus. 



DlADITUS. 



Narvesus. 



