CEUTHOKHYNCHIDES. 119 



distinctly apart ; tarsal claws tootlied at base ; pygidium 

 not covered. Amalus, Schoenh. 



b. Funiculus of antennae with seven joints ; rostrum at 

 most moderately long, rather robust. 



I, Prosternum strongly emarginate in front. 



Scrobes commencing far forward, narrow and oblique ; 

 first two joints of funiculus of antennae elongate ; eyes 

 generally with a very short orbit above ; prosternum 

 broadly and rather strongly hollowed out before anterior 

 coxae ; latter standing fartlier apart than in Phytohius ; 

 tarsal claws toothed at base ; pygidium not covered. 



Rhinoncus, Schoenh. 



II, Prosternum feebly emarginate in front. 



Scrobes commencing near apex of rostrum, very oblique > 

 first three joints of funiculus of antennae elongate ; eyes 

 often with a very short orbit above ; prosternum more or 

 less hollowed out before anterior coxae ; latter placed more 

 or less apart ; tarsal claws simple or toothed at base ; 

 pygidium not covered. Phytohius, Schoenh. 



B, Eyes at least partly covered by thorax. 



a, Prosternal channel for reception of rostrum effaced 

 between anterior coxae, sometimes absent. 



I, Body oblong or oblong oval ; metasternum mode- 

 rately long. 



1. Funiculus of antennae with six joints ; tarsal 

 claws toothed at base. 



Eostrum rather long and robust ; scrobes commencing a 

 little before middle of rostrum ; eyes nearly round ; first 

 three joints of funiculus of antennae elongate ; pygidium 

 not covered. Tapioiotus, Schoenh. 



2. Funiculus of antennae with seven joints ; tarsal 

 claws simple. 



Eostrum elongate, slender, scrobes commencing toward 

 middle of rostrum ; eyes short oval ; first two joints of 

 funiculus of antennae elongate ; pygidium not covered. 



Poophagus, Schoenh. 



II, Body thick, very short ; metasternum very short. 

 Tarsal claws appendiculate or bifid, very rarely simple. 



1, Funiculus of antennae with six joints. 



