INHABITING NORTH AMERICA. <).} 



ciliary punctures ; nasus and labrinn yellowish, the tormcr 

 wjtii an ahl)reviated impressed hne each side helbrc ; nn- 

 tenim and palpi rufous at hasc, piccuus at tip : labium veu- 

 tricose between the insertion of the pal|)i. rufous; liihinm 

 and gula rufous. 

 Thorax margined each side witii yellowish, a lonG;itudiiiul 

 impressed line, a transverse, somewhat undulated, sub- 

 marginal line of impressed punctures eacl.' side before, 

 and a more abbreviated sparse one each side behind. 

 Elytra margined each side witii villowish, wliidi l)ecomes 

 obsolete behind, a yellowish, oblique, sulUcrminal line l)e- 

 hind, three very distinct scries of |)unctures, with alternate 

 series of minute remote ones. 

 Pectus pale rufous; stmiuni black, hardly elevated before: 

 postprctus piccous-black ; Ji-ft piceous ; fcuiora and basal 

 joints of the anterior pairs rufous ; venter piccous-black. 

 three obsolete, lateral, piceous spots. 

 Differs much from the preceding species, in l)cing far 

 more robust before, and instead of the semideltoid termina- 

 tion of the yellow margin, there is an oblique subterminal 

 line, as in 1). margiualus, but it is very distinct from the lat- 

 ter species, by not having the yellowish anterior and posterior 

 thoracic margins. 



3. D. *nw(liatus blackish. ])uncturcd. beneath i)lack : thorax 

 with a yellowish l)an(l anil margin ; elytra fasciate behind. 



Length about eleven-twentieths of an inch. 



Head rufous-yellow varied with dusky, base black ; front 

 with sometimes two ol)liqiic blackish spots ; 7iusus paler : 

 labrum whitish, particularly on the anterior margin. 



Thorax l)lack, a yellowish margin and abbreviated narrow 

 band which is aljruptly dilated backward ticar the lateral 

 margin, where it becomes conlluent with the basai 

 margin; aciitel black, impunctincd. 



Elytra blackish-brown varied with yellowish, minute, irrc 

 gular lines, and as well as the thorax with niminous. mi- 

 nute punctures, a yellowish, narrow, exterior, and subsu- 



