ATOMAKIA. 471 



(I a. Thorax as long as broad, as wide as elytra. 



Elongate, linear, Hat. Lighter or darker brown ; rather 

 shiny ; antennae red-brown ; legs reddish-yellow ; pubes- 

 cence scanty, short, close-lying. Thorax parallel-sided, 

 closely and finely punctured, ])ase finely bordered. L. | 1. 

 Common, A. linearis, Steph. 



b h. Thorax one-third broader than long, 

 rather narrower than elytra. 



Brown, elytra usually lighter ; antennae brown-red ; legs 

 reddish-yellow ; pubescence scanty, very short. Thorax 

 with sides gently rounded, a little more narrowed in front 

 than behind, slightly arched, very closely punctured, base 

 finely bordered, anterior angles somewhat prominent. L. 

 f 1. Moderately common. A. eloriyatula, Er. 



c c. Thorax nearly as long as broad, much 

 narrower than elytra. 



Oblong, tolerably flat. Light red-brown ; shiny ; legs 

 reddish-yellow ; pubescence moderately thick, short, close- 

 lying. Thorax much narrower than base of elytra, only a 

 little broader than long, parallel-sided, slightly arched, 

 closely and finely punctured, anterior angles somewhat 

 prominent, basal impressions distinct, posterior angles 

 obtuse ; elytra broader than in A. elongatula and rather 

 more strongly punctured. L. f 1. Very rare ; Braemar. 



A. hadia, Er. 



II. Transverse basal impression on thorax with a 

 fold on each side. 



Oblong, rather flat. Brown, shiny ; shoulders and apex 

 of elytra rather lighter ; antennae brown-red ; legs red- 

 yellow ; pubescence rather coarse, short. Thorax almost as 

 broad as elytra, only a little broader than long, gradually, 

 narrowed in front, sides very slightly rounded, nearly flat, 

 moderately closely and finely punctured, anterior angles 

 depressed, posterior angles right angles ; elytra punctured 

 almost in rows. L. f 1. Rather common. 



A. umhrina, Gyll. 



b. Antennae placed farther from each other than from 

 eyes. 



I. Posterior margin of thorax simply rounded. 

 1, Anterior auoles of thorax not acute. 



