478 SEEBICOENIA. 



met with in abundance. The name Asaphes, adopted by Leconte and Candeze, is pre- 

 occupied in Hymenoptera. 



a. Second and third tarsal joints rather stout and sublamellate, the fourth small ; 



frontal margin slightly raised above the anterior margin of the head ; pro- 

 thorax with very distinct basal incisures, the hind angles carinate; body entirely 

 black: size large carbonatus. 



b. Second and third tarsal joints more slender and somewhat compressed, not 



lamellate ; prothorax (except in H. pictipes) without distinct basal incisures : 

 size moderate or small, 

 a'. Frontal margin slightly raised above the anterior margin of the head ; hind 

 angles of the prothorax not carinate ; body entirely black, sparsely 



pubescent aterrimus. 



b'. "Frontal margin confluent with the anterior margin of the head, 

 a". Hind angles of the prothorax distinctly carinate. 



a"'. Pubescence sparse and fine; elytra subtruncate at the apex. 



a*. Colour rufo-castaneous, the prothorax with two black vittse, the hind 



angles of the latter greatly produced bivitlatus. 



Z>\ Colour varying from black to reddish-brown ; hind angles of the 



prothorax moderately produced instabilis. 



b'". Pubescence closer and coarser, in some specimens forming light and 

 dark stripes on the prothorax, the hind angles of the latter moderately 

 long ; elytra obliquely truncate at the apex, the sutural angles sharp ; 



colour variable, usually reddish-brown in the $ longicollis. 



b". Hind angles of the prothorax not or obsoletely carinate ; colour in some 

 of the species variable, or differing sexually (H. patruelis and H. parvulus 

 as regards the prothorax *, and if. fiavipes and H. amitinus as regards 

 the elytra f). 

 c'". Pubescence sparse and fine. 



c*. Apices of the elytra more or less acuminate. 



a 5 . Prothorax elongate, the hind angles greatly produced acuminatus. 



( consobrinus, 

 .germanus. 

 d\ Apices of the elytra more or less truncate or rounded. 

 c 5 . Antennse moderately long in the <J . 



a 6 . Hind angles of the prothorax greatly produced and strongly ( 



j. < patruelis, 



divergent i r 



^parvulus. 



b\ Hind angles of the prothorax moderately produced and less V- . 



,. i amitinus, 



divergent / 



^candezei. 



b s . Prothorax shorter, the hind angles moderately produced . . 



* Prothorax ferruginous, with a black median vitta or oval patch in the $ . 

 t Elytra ferruginous or obscure testaceous in the $ . 



