CRYPTOPHAGUS. 467 



A 1. Elytra dilated behind middle ; pos- 

 terior angles of thorax obtuse. 

 Slightly convex. Brown-red; pubescence golden-yellow. 

 Anterior angles of thorax dilated, with a slight depression, 

 forming no tooth behind, lateral tooth very feeble, in 

 middle of side, punctuation close. L. 1|- 1. Eare. 



C. validus, Kr. 



B 1. Elytra parallel-sided ; posterior 

 angles of thorax sharp right angles. 

 a 1. Lateral tooth on thorax before 

 middle of side. 



Eeddish-yellow ; pubescence yellowish-gray. Thorax 

 not rounded at sides, a little narrowed behind, anterior 

 angles slightly dilated, punctuation close. L. | — 1^ 1. 

 Common. 0. dentatus, Herbst. 



b 1, Lateral tooth on thorax in or 

 slightly behind middle of side. 



Similar to C. dentatus, but narrower and more elongate, 

 with elytra much more finely and closely punctured. L. f 1. 

 Eare, 0. parallelus, Bris. 



J5 S. Body nearly oval, broad. 

 Thorax parallel-sided, sides indistinctly notched behind, 

 punctuation fine. 



a a. Lateral tooth on thorax pointed, placed 

 somewhat behind middle of side. 



Slightly convex. Eeddish or brownish-yellow ; pubes- 

 cence short, rather close, gray. Anterior angles of thorax 

 not prominent, but forming a more or less pointed tooth, 

 posterior angles obtuse. L. | 1. Not uncommon. 



C. distinguendus, Sturm. 



b b. Lateral tooth on thorax blunt, placed 

 before middle of side. 



Slightly convex. Darker or lighter brown, elytra 

 brownish-yellow ; pubescence short, rather close, yellow- 

 gray. Anterior angles of thorax but little prominent, 

 scarcely forming a tooth behind, posterior angles almost 

 right angles. L. | — f 1. Eather common. 



C. bicolo7\ Sturm. 



&. Thorax without tooth in middle of side. 



H H 2 



