202 RHYNCHOPHORA — CURCULIONIDAE. 



conical, slightly tubular in front, base bisinuate, central 

 lobe short and narrow ; elytra not or scarcely broader than 

 thorax, apex of each sometimes produced into a point. 



Lixtis, Fab. 



b. Body oblong or short oval ; scrobes nearly always 

 meeting beneath. 



Rostrum variable in length, rather robust ; first two joints 

 of funiculus of antennae slightly elongate, rest very short, 

 gradually enlarged to club ; eyes elongate ; thorax trans- 

 verse, strongly narrowed and abruptly tubular in front, base 

 nearly straight, with a distinct central lobe ; elytra a little 

 broader tlian thorax. Larinus, Germ. 



S. Rostrum angular ; scrobes commencing near or at apex. 



a. Rostrum at most as long as head, robust, scarcely 

 curved, scrobes meeting beneath. 



First two joints of funiculus of antennae slightly elon- 

 gate, nearly equal ; eyes elongate ; tliorax transverse, 

 strongly narrowed in front, base bisinuate, central lobe 

 rather broad ; elytra not broader than thorax. 



Bliinocyllus, Germ. 



h. Rostrum longer than head, moderately robust, slightly 

 curved ; scrobes not meeting beneath. 



I, Posterior tarsi not elongate, more or less broad, 

 generally spongy beneath, third joint rarely not 

 longer than second. 



Eyes elongate ; thorax bisinuate at base ; elytra not or 

 scarcely broader than thorax. GUonus, Schoenh. 



II. Posterior tarsi elongate, not spongy beneath, 

 third joint distinctly longer than second. 



Eyes elongate ; thorax with base bisinuate, ocular lobes 

 broad and prominent ; elytra not broader than thorax. 



Bothynodcres, Schoenh. 



Lixus, 



A. Scape of antennae as long as whole of funiculus. 



«. Apex of each elytron produced, pointed, divergent. 



I, Points at apex of elytra nearly as long as thorax. 



Elongate. Black, with gray pubescence, powdered with 

 greenish-yellow. Thorax longer than broad, only a little 



