382 CLAVICORNIA — CLAMBIDAE. 



Oi'fhoiH'i'Uft. 



A, Lengtli \ — I line. 



a. Body Ijlack. 



Sliort oval; antennae and legs and usually also apex of 

 elytra rust-red. L. | 1. Common. 0. britnnipes, Gyll. 



b. Body lirownish-yellow. 



Very sliort oval, convex, very sliiny ; extremely finely 

 punctured. L. } 1. Common. 0. atomus, Gyll. 



H. Lengtli \ line. 



Pale red-yellow. Very delicately punctured. Devizes. 



0. atomarins, Heer. 



CoryJophns. 



A, Elytra distinctly punctured in front. 



Short ovate, slightly convex, bare. Black, shiny ; thorax 

 (except a dark spot in front), apex of elytra, the antennae 

 and legs red-yellow. Thorax impunctate; elytra distinctly, 

 not very closely punctured, apex impunctate. L. J 1. 

 Common. C. cassidioidcs, Marsh. 



jB. Elytra scarcely visibly punctured. 



Shorter than C. cassidioidcs, lighter in colour, with punc- 

 tuation less close and much liner, elytra less distinctly con- 

 tracted behind. Ears. C. sullaevipcnnis, Duv. 



Sericoderns, 



Brown or yellowish-brown, with a spot on anterior part 

 of thorax, base and side margin of elytra blackish. L. ^ 1. 

 Common. " >S'. lateralis, Gyll. 



Saciuni. 



Pitch-black, shiny; two spots at apex of thorax yellow- 

 brown, margins of tliat part and legs reddish-brown. 

 Tolera])ly tliickly covered with whitish hairs. L. f — -*- 1. 

 l^are. S. pusillum, Gyll. 



CLA3IBIDAli]. 



A. Posterior coxae transversely oblong, with posterior 

 margin scarcely rounded, not lu'oader toward sides of 

 elytra. 

 Antennae inserted at some little distance before the 



