(Page 471) 



2. Abdomen elongate, of almost uniform breadth. Pronotal sides with 



only two outstanding bristles. L. 3.5-4 mm. ..2. A. pulchellus Hear. 

 Abdomen less elongate, posteriorly distinctly broadened. Pronotal 

 sides with 4-5 outstanding bristles 3. 



3. Elytra almost entirely black, only their outmost posterior margin 



reddish-yellow. L. 3.5-4 mm 3. A. immaculatus Steph. 



Elytral posterior margin with the hindmost part of the suture rather 

 broadly reddish-yellow 4. 



4. Elytra considerably longer and broader than pronotum. L. 3-3.5 mm. 



rrrrt 4. A. angu status Payk. 



Elytra hardly longer and very little broader than pronotum. L. 3 mm. 

 5. A. neglectus Mark . 



Fig. 142. Astenus angustatus Payk. 



(Page 472) 



1. A. filiformis Latr. 



(Latr. (Jen. Crust, et Ins. I, 293; Erichs Kaf.Mk. Er. I, 525; 3en. 

 Spec. Staph. 638; Kraatz Ins. D. II, 721; Thorns. Skand. Col. II, 209; 

 Muls. et P.ey Brevip. 1878, 280; ianglb. Kaf. M. II, 540). 



Our longest species, easily identified by the completely dull elytra 

 and anteriorly dull abdomen; elongate and of uniform breadth. 



Black, depressed, short and fine grayish-yellow haired; thorax with 

 elytra, also abdominal three-four first free joints completely dull, 

 the posterior part of abdomen somewhat glistening; elytral posterior mar- 

 gin rather broadly, and in toward the suture widened reddish-yellow; post- 

 erior margins of abdominal joints narrowly, antennae, mouth-parts, and 



•57- 



