350 CLAVICORNIA — PSELAPHIDAE. 



A A. Length f line. 



Elongate, fiat, rather shiny, with fine gi-ay pubescence. 

 Yellow-red, antennae and legs concoloroiis, abdomen a little 

 darker. Head transverse, strongly and closely punctured ; 

 thorax heart-shaped, more diffusely and less strongly punc- 

 tured than head, witli central furrow ; elytra with three 

 depressions at base of each, a sutural stria and an abbre- 

 viated dorsal stria ; last joint of antennae short ovate. 

 Tliorax more flattened than in U. Karstcni and more dilated 

 at sides. Eare. E. ;punctatus,M\x\Q. 



B B. Length f line. 



Red-l)rown. Head broader than thorax, closely punc- 

 tured tliroughout, sides parallel Ijehind eyes ; tliorax with 

 al)l)reviated central furrow, basal depressions only indis- 

 tinctly connected ; elytra finely punctured with a dbrsal 

 stria not reaching middle. Intermediate tibiae of male 

 without any distinct spur. Rather common. 



E. Karstcni, Reich. 

 2. Head and thorax not, or scarcely punctured ; 

 frontal depressions convergent. 



A A. Sides of head parallel for some distance 

 behind eyes. 



a a. Body yellow-red. 



Rather flat, with very scanty pale pubescence. Yellow- 

 red. Thorax with an abbreviated central furrow ; dorsal 

 stria on elytra not reaching middle. L. ^ 1. Rather 

 common. E. signaius, Reich, 



h b, Rody chestnut-brown. 



Rather flat, shiny, with scanty, very fine pubescence. 

 Chestnut-brown, antennae and legs lighter. Thorax with 

 al)])reviated central furrow and a deep lateral depression; 

 dorsal stria on elytra not reaching middle. Frontal depres- 

 sions less convergent than in E. signatus. L. f 1. Common. 



E. sanguineus, Aub. 



Ji B. Sides of head rounded and contracted 

 behind eyes. 



a a. Head with a depression on vertex. 



Rather flat, shiny, nearly impunctate and without pubes- 

 cence. Chestnut- brown ; antennae and legs rust-red. 

 Vertex of head with an impression ; thorax with an abbre- 



