BY ARTHUR M. LEA. 403 



JJ. This suture curved in middle. 



K. Posterior femora passing elytra Dysopirhinus. 



KK. Not passing elytra. 



L. Femora edentate Paratituacia. 



LL. Femora dentate. 

 M. Scape considerably longer than 



f u nicle Blepiabda. 



MM. Scape the length of or shorter 



than funicle. 

 N. Each elytron separately rounded 

 at base. 



p. Shoulders projecting Orphanistes. 



pp. Shoulders not projecting Tepperia. 

 NN. Elytra trisinuate at base. 



0. Tibiffi angular externally Metraniomorpha. 



00. Tibiae (except sometimes the 

 middle) not angular externally. 



P. Tibise almost straight Axionicus. 



PP. Tibias more or less distinctly 



curved Perissops. 



Genus Mecistocerus Fauvel. 



Bull. Soc. Linn, de Normandie, vii. p. 159. 



Head small, convex, not concealed; ocular fovea distinct and 

 usually large. Eyes large, triangularly ovate, widely separated 

 above and almost contiguous below, coarsely faceted. Rostru7ri 

 long and thin, curved. Antennc^ thin or raoderatel}^ thin; inser- 

 tion of scape variable; basal joints of funicle variable; club 

 cylindrical and long or moderately long, sutures oblique. Pro- 

 thorax transverse, sides rounded, apex moderately or strongly 

 narrowed and produced, base bisinuate, constriction slight, ocular 

 lobes obtuse. Scutellum distinct. Elytra slightly or considerably 

 wider than prothorax, widest across shoulders. Pectoral canal 

 deep and narrow, terminated at base of or just behind inter- 

 mediate coxse, with walls between four anterior coxae that are 

 formed partly by the pro- and partly by the mesosternum. Meso- 

 sternal receptacle narrow and transverse, scarcely distinguishable 

 from the metasternum and leaving the coxae exposed ; open. 

 Metastermcm shorter or slightly longer than the following seg- 



