CRYPTOPTTAGUS. 463 



a. Thorax with a little tootli in or near middle of side. 

 I. Thorax with callous prominences on disc. 



1, Apex of anterior tibiae produced into a sharp 

 tooth on outer-side. 



Oblong, convex. Eed-brown, with rough gray pubes- 

 cence and rows of bristles on elytra. Antennae with first 

 two joints of club equal in breadth, last joint rather nar- 

 rower; thorax with anterior anule dilated, forming a sharj) 

 tooth behind, side with second, pointed tootli close before 

 middle ; posterior angles obtuse, sides not thickened. L. 

 li — 1|- 1. Common. G. lijcoperdi, Herlist. 



2, Apex of anterior tibiae not produced. 



A A, Thorax witli anterior angle forming no, or 

 only a very blunt tooth ; sides thickened. 

 Side of thorax witli a small, blunt tooth before middle, 

 very finely notched behind ; posterior angles obtuse ; a 

 fine longitudinal fold above scutellum. 



a a. Club of antennae not sharply separate, 

 its first joint being narrower than others ; 

 punctuation of elytra not in rows. 



Oblong, not very convex. Eed-brown, witii rough gray 

 pubescence and rows of bristles on elytra. Thorax witli 

 anterior angle only slightly dilated and forming no tooth, 

 callous prominences feel^le ; elytra gTadually narrowed 

 behind. L. 1*^ — 1| 1. Eare. G. Schmidti, Sturm. 



h b. Club of antennae distinctly separate, its 

 first joint being almost as broad as second ; 

 punctuation of elytra almost in rows. 



Oblong-ovate, rather broader than G. Schmidti, w^ith 

 longer pubescence and rather coarser punctuation. Eed- 

 brown or yellow-brown. Thorax with anterior angles 

 dilated and flat, forming a very blunt tooth. L. 1\ 1. 

 Eare. G. setiihsus, Sturm, 



H H. Thorax with anteiior angle forming a dis- 

 tinct tooth ; sides not thickened. 



a a. Elytra brown-red. 



A ci. Elytra oblong-ovate. 



Oblong-ovate, slightly convex. Brown-red ; pubescence 



