c.vi;ai'.ii>i;s. 19 



Labruiii rounded in front, Avitli eight bristles ; niiindi1)les 

 broad, their outer surface strongly dilated and rounded at 

 base and sloped obliquely, inner margin of the right one 

 with a tooth above the base, corresponding to a little 

 eniargination on the left one ; eniargination of the rnentum 

 with a short double tooth ; ligula very long, divided into 

 tln-ee at apex, nnich longer than paraglossae ; apical joints 

 of palpi elongate, somewhat dilated and truncate at apex ; 

 first joint of antennae longer than the rest ; thorax strongly 

 rounded at sides, heart-shaped ; elytra with nine striae and 

 a short one; wings fully developed. Anterior tarsi of male 

 with three joints dilated and spongy beneath. 



Lcistvji, Froehl. 



Cffchrus, 



Black, mandil)les only somewhat reddish. Head finely 

 punctured ; thiirax oblong, confusedly punctured, margins 

 raised ; elytra very convex, closely granulated, sometimes 

 with traces of three raised lines. Form of thorax and 

 elytra variable. L. 8 1. Not unconnuon. 



C. rostratihs, Lin- 



CavaJms. 



A. Elytra strongly wrinkled in longitudinal lines. 



Elongate, rather flat, darlc-ljlue ; thorax narrow. L. 12 — 

 14 1. Scarce. C. intricatiis, Lin. 



J?. P^lytra with three longitudinal ribs, tlie interstices linely 

 wrinkled or granulated. 



a. Base of antennae and ]ial[)i and the legs red. 



Head and thorax green ; sides of latter rounded in front, 

 contracted behind ; elytra moderately arched, the ribs 

 green, the interstices bronze, in the male smnewhat, in the 

 female distinctly sinuate before apex. L. 10 — 12 1. Eare. 



G. auratus, Lin. 



b. Antennae, palpi and legs wholly black. 



Head and thorax red, sides of latter evenly rounded, 

 elytra moderately arched, the ribs l)lack, the interstices 

 bronze ; ribs frequently interrupted. L. 7 — ^8 1. Not 

 uncommon ; sand-hills on coast. C. nitcns, Lin. 



C Elytra with three longitudinal ribs, alternating with 

 three rows of shining, round depressions. 



2 , 



