Buprcstis, Trachys, and Elater. 205 



Description. Body deep black, polished, with numerous 

 hairs ; oblong-oval : head with the transverse line acute, 

 but not prominent : antenna, basal joints pale rufous : 

 thorax widest at base, gradually narrowed by an arcuated 

 line to the anterior angles which are not wider than the 

 head ; no impressed line ; posterior angles not prominent : 

 elytra with irregular punctures, destitute of impressed 

 striae ; a large, oblique, oval, bright rufous spot a little 

 before the middle of each, hardly reaching the suture or 

 the exterior edge : feet piceous. 



Length less than three-twentieths of an inch. 



This pretty little species seems to be allied to the bimacu- 

 l.atus of Europe, but the elytra are not striated, as those of 

 that species are. 



22. E. nimbatus. Pale brownish ochreous ; elytra striate : 

 venter dusky. 



Elater nimbatus, Melsh. Catal. 



Description. Body rather slender, of a pale colour, with 

 somewhat long hairs : head with the transverse line ele- 

 vated, acute : antenna somewhat slender, not serrated ; 

 second and third joints short, equal : thorax tinged with 

 dull rufous, not longer than broad, with an impressed 

 longitudinal line ; posterior angles acute, a little excurved 

 at tip : scutel orbicular : elytra paler than the thorax, 

 without any rufous tinge ; with impressed punctured striae ; 

 beneath pale rufous : venter dusky. 



Length more than three-twentieths of an inch. 



23. E. brevicornis. Antennae very short ; thorax blackish, 

 anterior and posterior margins piceous. 



