CALYPTOMERUS. 383 



granulate eyes ; head very large ; thorax strongly trans- 

 verse, with sides very short ; shoulders of elytra scarcely 

 retuse ; metasternum not hollowed out in front ; abdomen 

 with six ventral segments. Calyptonierus, lledt, 



JB. Posterior coxae semicircular. 



Antennae inserted near eyes ; thorax transverse, double 

 as long in middle as at sides ; shoulders of elytra strongly 

 retuse ; metasternum semicirculaily hollowed out in front 

 for reception of head ; abdomen with five ventral seg- 

 ments. Claiiihus, risch. 

 Cali/2)f Oilier us. 

 Short, nearly ovate, slightly convex. Eed-yellow, rather 

 shiny, eyes black ; with very fine, pale, silky pubescence. 

 Head larger than thorax, latter very transverse, anterior 

 and posterior angles nearly confluent; elytra steep at apex, 

 sutural angle almost acute. L. J 1, Common. 



C. duhius, Marsh. 

 ChfDihus. 



A. Upper-side closely covered with very fine, short pubes- 

 cence. 



Pitch-black or brown, sliiny ; sides of thoi-ax, disc and 

 apex of elytra lighter ; antennae and legs pale yellow- 

 brown. Punctuation almost absent. L. \ 1. Moderately 

 common . C. puhescen s, Redt. 



-B. Upper-side not or feebly pubescent. 

 a. Elytra without pubescence. 



Short ovate, convex. Black, shiny ; antennae and legs 

 red-yellow ; margins of thorax and disc of elytra rust-red. 

 L. ^ 1. Ptather common. C. minutus, Sturm. 



6. Elytra with a few scattered hairs. 



Short ovate, convex. Black, shiny, with rather diffuse, 

 long, pale pubescence ; margins of thorax and disc of elytra 

 brown-red ; antennae and legs obscure red-yellow. L. a 1. 

 Moderately conmion. C. armadillo, De G. 



AWIS0T03riI)AE. 



A, Legs not powerful, tibiae with either a few fine spines 

 or rows of hairs ; number of tarsal joints different in the 

 two sexes. 



