CRYPHALUS. 101 



Black, shiny ; scantily covered with scalelike hairs and 

 other short hairs ; antennae and legs dirty yellow. Ante- 

 rior margin, of thorax with four prominences in middle and 

 with concentric rows of granules, united in places almost 

 into sharp lines; elytra with feeble punctured striae, effaced 

 toward suture, and two prominences on apical declivity. 

 L, ^ 1. Not uncommon. G. hinodulus, Eatz. 



&. Anterior margin of thorax without teeth. 



I, Thorax with five or six crowded rows of granules 

 in front; rows of punctures on elytra very fine. 



Very similar to C. ahietis but generally rather larger ; 

 granules on thorax forming a tolerably broad rhombus and 

 arranged in five or six regular, crowded rows ; elytra with 

 tolerably distinct punctured striae ; club of antennae 

 pointed at apex. L. 1 1. Eare. G. piceae, Eatz. 



II. Thorax confusedly granulate ; rows of punctures 

 on elytra not very fine and placed in somewhat 

 impressed striae. 



Compressed and very convex. Black-brown ; antennae 

 and legs reddish-brown. Thorax almost globular, very 

 finely punctured at sides and behind, front part with diffuse 

 granules, standing in rows here and there only ; elytra 

 rather more than double as long as thorax, with distinct 

 punctured striae and extremely finely punctured interstices, 

 covered throughout with extremely fine, close-lying scale- 

 lilvC hairs (with a reddish-brown-gray reflection) and also 

 very diffusely with short, erect hairs, effaced behind ; clul) 

 of antennae rounded at apex. L. | — 1 1. Not uncommon. 



G. ahietis, Eatz. 



JB, Body elongate cylindrical. 



Black, shiny ; elytra, antennae and legs dirty yellowish. 

 Front part of thorax uneven and (wlien viewed from front) 

 transversely wrinkled. L. | 1. Scarce. G. fagi, Nord. 



Trypodendron, 



A, Club of antennae produced at inner-side of apex. 



a. Elytra almost double as long as together broad. 



Cylindrical. Black ; sides of thorax rarely brownish ; 

 elytra yellow-brown, with suture and side margin blackish; 

 antennae yellow ; legs black or brown, tarsi yellow. Club 



