CRYPTOHYPNUS, 37 



with impunctate striae, interstices diffusely and very 

 finely punctured ; first joint of antennae longer than broad 

 and longer than third joint ; prosternal process entirely 

 covering mouth parts. Common. C. ripcorius, Fab. 



JB, Length 1^ — 2 lines. 



a. Elytra black, with yellow spots. 



I. Prosternal process entirely covering mouth parts. 



1, Femora brown in middle. 



Elongate, only slightly convex. Black ; elytra with 

 variable yellow spots at base and toward apex ; base of an- 

 tennae and legs yellow, femora brown in middle. Very 

 similar to C. pidchellus but with thorax longer, its posterior 

 angles shorter and not at all divergent, ridge not reacliing 

 middle, disc more strongly punctured in wrinkles ; elytra 

 with striae distinct at apex, interstices ridged until beyond 

 middle. L. If — 2 1. Kare. C. sabulicola, Boh. 



2. Femora entirely yellow. 



Black, dull ; elytra with several variable yellow spots at 

 base and toward apex ; base of antennae and legs (with 

 anterior coxae) yellow. Thorax longer than broad, with a 

 slightly raised central line, very closely and moderately 

 strongly punctured, posterior angles slightly divergent, 

 ridge reaching middle ; elytra witli striae rather indistinct 

 at apex, interstices ridged to middle. L. 1^ — If 1. Eare. 



G. pulchelhcs, Lin. 



IT, Prosternal process covering base of mouth parts 

 only. 



Black ; elytra with two yellow spots on each. Thorax 

 as broad as long, without raised central line, finely punc- 

 tured ; first joint of antennae shorter than third joint. L. 

 1| 1. Common. 0. quadripusticlatus, Fab. 



b. Elytra unicolorous black. 



Black ; first joint of antennae black ; femora darker in 

 middle ; hairs gray. Thorax very finely, closely wrinkled, 

 ridges from posterior angles prolonged beyond middle. L. 

 1| 1. Common. C. dermestoicles, Herbst. 



Cardiophorus, 



A, Thorax entirely red. 



