440 SEEEICOENIA. 



spicuous ; upper surface varying in colour from castaneous to pitchy- 

 black ; legs and antennae testaceous ; prothorax and elytra flattened 



on the disc humilis. 



b". The larger punctures almost equal in size ; no coarse punctures in 

 the transverse basal depressions. 

 a'". Upper surface concolorous — castaneous, brown, or black ; the 

 elytra without definite markings. 

 a 4 . Legs and antennas testaceous ; prothorax and elytra distinctly 

 flattened on the disc. 

 a\ Elytra of the same width as the prothorax, subparallel in 



front hepaticus. 



b\ Elytra a little wider than the prothorax, somewhat rounded at 



the sides troglodytes. 



b*. Femora and tibiae piceous, the tarsi and antennae testaceous ; 



prothorax and elytra distinctly flattened on the disc .... ebeninus. 

 c 4 . Antennae, the basal joints excepted, infuscate ; elytra slightly 



flattened on the disc fuscicornis. 



b'". Upper surface not concolorous ; legs and antennae testaceous. 

 d*. Black, the elytra with a large rufo-testaceous apical patch, the 



prothorax and elytra flattened on the disc apicatus. 



e\ Black, the elytra with a basal and an apical patch testaceous j 



prothorax and elytra flattened on the disc quadripustulatus . 



f\ Elytra black (or with the sides and base piceous), the head and 



prothorax rufous ; elytra flattened on the disc atripennis. 



b'. Prothorax almost uniformly punctate, the intermixed smaller punctures 

 indistinct or obsolete. 

 c". Prothorax and elytra flattened on the disc, the elytra subparallel 



towards the base ; upper surface black . . . nitidulus. 



d". Prothorax flattened on the disc, the elytra somewhat convex and a 



little rounded at the sides ; upper surface reddish brown .... breviusculus. 



b. Prothorax bi-incised on either side at the base near the inner limit of the 



hind angles, the marginal carina abbreviated in front ; elytra more or 



less rounded at the sides; scutellum concave; antennae elongate; fourth 



tarsal joint feebly lamellate, 



c'. Prothorax and elytra flattened on the disc, equal in width at the base ; 



prothoracic punctuation uniform; upper surface rufo-testaceous, the 



prothorax and elytra nigro-fasciate . , bifasciatus. 



d'. Prothorax and elytra moderately convex, the elytra wider than the pro- 

 thorax at the base ; upper surface brownish. 



e". Prothoracic punctuation mixed ; elytra unicolorous coarctatus. 



f". Prothoracic punctuation uniform ; elytra usually with a pale humeral 



spot or patch , scapularis. 



