114 RHYNCHOPHORA — CURCULIONIDAE. 



large, more or less velvety ; mesosternum tolerably broad ; 

 thorax more or less longitudinally impressed ; third tarsal 

 joint not dilated ; eyes oval, not far apart above ; body 

 narrow, parallel-sided, bare. Cossonus, Clairv. 



J5. Funiculus of antennae with five joints. 



Eostrum a little longer than head, tolerably robust, 

 cylindrical, slightly curved, scrobes commencing in middle, 

 deep, reaching under margin of eyes ; scape of antennae 

 reaching on to eyes, second joint of funiculus sometimes 

 elongate, club small ; scutellum indistinct ; anterior legs 

 placed moderately apart ; mesosternum tolerably broad. 



Pentar thrum, Woll. 



Hhyncolus. 



A, Body more or less broad. 



a. Interstices on elytra with a very fine, indistinct 

 row of punctures. 



Black, shiny; antennae and legs rarely pitch-black, 

 usually brown. Eostrum scarcely so long as head, scrobes 

 curved under eyes ; thorax distinctly longer than broad, 

 somewhat narrowed in front, with scattered punctures ; 

 elytra scarcely broader and almost double as long as thorax, 

 with deep punctured striae. L. 1| 1. Eather common. 



i2. chloropuSyYah. 



h. Interstices on elytra witli fine, scattered punctures. 



Dark brown ; antennae and legs lighter. Eostrum rather 

 longer and narrower than head, with a short central furrow ; 

 thorax as long as broad, rounded at sides, constricted in 

 front ; elytra with punctured striae. L. 1 J 1. Common. 



B. cylindrirostris, 01. 

 S, Body elongate, linear. 



Elongate, rather flat. Pitch-brown, shiny, bare ; an- 

 tennae and legs brown-red. Eostrum scarcely shorter than 

 thorax, oblong, cylindrical, slightly curved, shiny, very 

 finely punctured ; vertex of head impunctate ; thorax with 

 large punctures, central line impunctate ; elytra a little 

 broader than thorax, strongly rounded at apex, feebly bor- 

 dered, with deep punctured striae, interstices punctured 

 almost in rows. L. If 1. Eare. B. gracilis, Eosenh. 



