DESCRIPTION. 



Head rugous, with large confluent punctures : 

 front concave : antennx purple-black, the first and 

 second joints greenish-cupreous : thorax unequal, 

 with large confluent punctures each side, and 

 canaliculate along the middle; posterior angles 

 acute : scutel very small, transverse suborbicular, 

 indented on the middle : elytra with four distant, 

 somewhat elevated lines, and one or two near the 

 suture; in the interstitial spaces are irregular, 

 slightly elevated transverse lines, hardly visible to 

 the unassisted eye ; before the middle of each 

 elytrum, is a large, very slightly impressed spot, 

 and another similar one, is rather behind the 

 middle ; there is also a very small common in- 

 dented spot on the suture, opposite to the former 

 spot ; exterior edge serrated, from near the mid- 

 dle to the tip ; tip simple, somewhat acute : be- 

 neath cupreous, polished ; a brilliant dilated cop- 

 pery line extends from the mouth to the pectus ; 

 a large groove originates on the anterior part of 

 the pectus, and terminates on the second segment 

 of the venter : tarsi dusky bluish. 



PLATE XXVI. 



