14 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



6. Head beneath more or less closely and coarsely punctate, espe- 



cially toward the sides ; distinctly punctate above. 7. 



Head beneath sparsely and finely punctured, very finely and 



remotely punctate above. 8. 



7. Elytra black, the apex in the $ yellow, smoother, acutely cau- 



date with the tips reflexed. 



Elytra vittate. bardii 



Elytra not vittate. var. distinguendiis 



Elytra black or rufotestaceous, the apex in the $ yellow, 



smoother, sometimes a little more convex, sometimes not; 



the tips acute but scarcely produced. 



Prothorax rufous. punctiilatus 



Prothorax black. var. fiinehris 



Elytra rufotestaceous to black, the apex in the i more widely 

 margined but not otherwise modified. oregonus 



Elytra yellow, the apex in the $ with a strong oblique ante- 

 riorly recessed impression which is black and impunctate. 



cavatus 



8. Elytra black, the apex in the $ strongly obliquely impressed, 



the flattened tips yellow and impunctate. flexiventris 



Elytra black, the apex in the $ with an elongate oval juxta- 



sutural impression which is somewhat smoother, the tips 



acute but scarcely produced. aJticoIa 



9. Elytra not vittate, front and middle tarsi of $ not dilated, side 



pieces of oedeagus not barbed. 



Elytra black, prothorax red. inconspicuus 



Elytra yellow; suture, apex and side margin — at least 

 posteriorly — blackish. var. flavidus 



Elytra blackish varying to pale brown, prothorax black. 



picipennis 

 Elytra vittate, front and middle tarsi of S dilated, side pieces 



of oedeagus barbed internally near the apex. 



Prothorax more finely punctured, without fine sharply 

 impressed median line. vittatus 



Prothorax more coarsely punctured, and with a fine me- 

 dian impressed line of variable length. Uneatus 



