214 RHYNCIIOPHOKA — CURCULIONIDAE. 



OTIOMHYNCHIDBS, 



A, Metasternum elongate ; intercoxal process relatively 

 narrow, with its sides not parallel. 



Head prolonged behind eyes ; rostrum at most as long as 

 head, slightly dilated at apex, angles rounded, apex more or 

 less emarginate ; antennae variable in length and stoutness ; 

 thorax transverse, sides rounded in middle, base and apex 

 truncate ; scutellum distinct ; elytra broader than thorax, 

 parallel-sided for two-thirds of their length, shoulders 

 obtuse ; legs rather long, tarsal claws soldered ; second 

 abdominal segment shorter than next two together ; sepa- 

 rated from first by a nearly straight suture. 



Phyllobius, Germ, 



S, Metasternum very short ; intercoxal process broad, 

 parallel-sided. 



a. Antennae at most moderately long, more or less stout. 



J. Tarsal claws free. 



1, Thorax regularly cylindrical. 



Rostrum as in Trachyphloeus ; antennae stouter, first joint 

 of funiculus very large ; elytra oval, a little broader than 

 thorax, and strongly emarginate at base. 



Cathormiocerus, Schoenh. 



2, Thorax not cylindrical. 



Rostrum as long as, or a little longer than, and as broad 

 as head, separated from it by a transverse furrow, slightly 

 curved, nearly parallel-sided, angular, apex slightly emar- 

 ginate ; scrobes lateral, deep, slightly curved, reaching 

 eyes ; antennae inserted in middle of rostrum ; short, 

 robust, first two joints of funiculus (especially first) elon- 

 gate ; thorax transverse, sides generally much rounded, 

 base and apex truncate ; scutellum absent or very small ; 

 elytra oval, scarcely broader than thorax, slightly emargi- 

 nate at base. Trachyphloeus, Germ. 



II, Tarsal claws soldered. 



1. Scrobes lateral. 



A A, Scrobes deflexed, or if not, body with 

 scales. 



a a. Body with scales or bristles, scrobes 

 generally entirely deflexed. 



