218 RHYNCHOPHOKA — CURCULIONIDAE. 



with fine central channel ; tliorax scarcely broader than 

 long, closely punctured ; elytra with regular, distinct punc- 

 tured striae, interstices rather flat. L. 1^ 1. Hare. 



C. socius, Boh. 



J5. Scrobes reaching eye. 



More robust, flatter, darker, and much more strongly 

 punctured than C. socius, with head wider ; eyes more 

 prominent ; rostrum thicker, with central impressed line 

 less distinct ; scrobes when viewed from the front less 

 open, when viewed laterally more regular, rounded on 

 upper and angulated on lower edges, reaching eye, smooth 

 and shiny ; scape of antennae shorter and stouter, less 

 abruptly angulated at base above constricted portion on 

 side next eye, but more angulated on outer-side, funiculus 

 and club broader and shorter ; thorax less transverse, more 

 strongly rounded at sides and more narrowed at base, more 

 distinctly punctured ; elytra with more coarsely punctured 

 striae, bristles on interstices black, tessellation more con- 

 spicuous in fresh specimens ; knees and outer-side of tibiae 

 more or less pitchy. L. 1| — If 1. Eare. 



C. maritimus, Eye. 



TracJi ijph loeus. 



A. Thorax without central furrow. 



a. Anterior tibiae with two not very strong teeth. 



J. Elytra with distinct striae, interstices equally 

 raised. 



Ovate. Black ; antennae and legs brown-red ; closely 

 covered with gray scales and on upper-side scantily with 

 short white bristles. Eostrum flat above; antennae inserted 

 at base of scrobes ; thorax much broader than long, with a 

 broad, deep, curved, transverse impression near apex, sides 

 strongly rounded ; elytra with distinct punctured striae, 

 interstices level, each with a row of white bristles ; teeth 

 on anterior tibiae short. L. 1| 1. Weston-super-Mare. 



T. laticollis, Boh. 



II, Elytra with indistinct striae, alternate interstices 

 more strongly raised. 



Ovate. Pitchy, covered with a grayish-yellow crust ; 

 antennae and legs dusky yellow. Eostrum scarcely fur- 

 rowed ; alternate interstices of elytra a little raised, with a 



