Bupresiis, Trachys, and Elaier. 261 



Description. Body pale yellowish ochreous, with short 

 hairs ; slender : head without any prominent transverse 

 line : antenna not serrated, second and third joints equal 

 and shorter than the succeeding ones, terminal joint not 

 truncated, nor very acute: thorax slightly tinged with 

 rufous ; longer than broad ; not decidedly narrowed be- 

 fore • anterior angles not broader than the head ; posterior 

 angles a little excurved, rather long ; a longitudinal obso- 

 lete, impressed line : scutel oblong, convex : elytra with 

 punctured striae not very deeply impressed : venter yellow. 



Length nearly three-twentieths of an inch. 



A very common species. I have a variety of which the 

 thorax and venter are almost black. 



15. E. rubricus. Thorax bright rufous with a large black 

 spot; elytra paler. 



Elater rubricus, Melsh. Catal. 



Description. Body oblong oval : head black, transverse 

 line acute, but not very prominent : antenna piceous, ro- 

 bust, deeply serrated, second and third joints equal, much 

 smaller than the following ones, which are triangular, ex- 

 cepting the terminal ones ; ultimate joint slightly truncated 

 at tip : thorax as broad as long, regularly arcuated, and 

 with the head forming a semi-oval; highly polished, 

 bright rufous with a very large black orbicular spot be- 

 fore, reaching beyond the middle : scutel oval, truncate at 

 base : elytra pale brownish-rufous, with regularly punctur- 

 ed, impressed striae : postpectus and middle of the pectus. 

 black : feet piceous. 



Length nearly three-tenths of an inch- 



16. E. dilecim. Brownish black ; thorax rufous, biJineate 

 with black 



