126 



CRYPTOPHAGID.-E 



aa. Thorax with sides more or less 



strongly margined. 



*. Elytra with the punctures at 



base as strong as those of the 



thorax, but more widely separated ; 



colour uniform reddish. 



•f. Average size larger ; punctures 



finer, hair longer 

 tf . Average size smaller ; punctures 

 coarser, hair shorter and more 

 sparing . . . . , 



**. Elytra with the punctuation at 

 base decidedly or at least per- 

 ceptibly finer than that of the 

 thorax. 

 t. Antennai stout ; colour ferru- 

 ginous, the elytra sometimes 

 with a black patch at the suture 

 spreading out towards the sides ; 

 often, however, entirely ferru- 

 ginous ; usually the largest 

 species, but occasionally quite 

 small ..... 

 f f . Antennae less stout ; elytra 

 dark, with a reddish-brown base 

 or entirely ferruginous or 

 brownish-yellow. 

 J. Smaller, sides of thorax more 

 angled at the central tooth, 

 which is distinct ; elytra shorter 

 in proportion to thorax ; pubes- 

 cence shorter .... 

 J|. Larger, thorax less angled at 

 the central tooth, which is 

 small ; elytra longer in propor- 

 tion to thorax ; pubescence 

 longer ; colour ferruginous 

 bb. Sides of thorax very feebly mar- 

 gined, the whole insect parallel- 

 sided ...... 



B. The lateral tooth of the thorax well 

 before the middle of the side. 



a. Shorter and broader, thorax strongly 

 margined at sides .... 



b. Narrower and slighter, thorax less 

 strongly margined .... 



BADius, Sturm. 



FuscicoRNis, Sturm. 



POPULi, Payk. 



SCANICUS, L. 



SUBFUMATUS, Kr. 



CYLiNDRus, Kiesw. 



(jxcraUelus, Bris.) 



SAGINATUS, Sturm. 

 DENTATUS, Ilerbst. 



