362 Coleopte?*ological Notices, IV. 



6 — Vestiture generally coarse but hair-like, more or less condensed in uneven 



maculae on the elytra 7 



Vestiture distinctly squamiform, dense, more or less condensed and variegated 



or marmorate on the elytra 14 



T — Beak punctate but not at all sulcate or carinulate... 8 



Beak punctate and with more or less distinct grooves and fine carina? 9 



§ — Body black, densely clothed with gray pubescence. ..11 maiiiierlieimi 



Body pale rufo-testaceous, sparsely clothed with long white hairs ; elytra with 



a triangular black basal cloud and a post-medial piceous spot, the latter 



divided by the suture 12 nubeculinus 



9 — Prothorax strongly constricted behind the apex, the latter more or less 



broadly subtubulate . 10 



Prothorax not, or but very feebly constricted behind the apex 11 



lO — Coloration uniform or very nearly so throughout the upper surface. 

 Condensed pubescent areas of the elytra large and suffused. 

 Color rufo-testaceous. 



Body less robust, darker, testaceous, more inflated behind, the beak 

 longer and more slender, blackish, the eyes large and more approxi- 

 mate above 13 lurid us 



Body larger, more robust and more parallel, paler and more flavate in 

 color, the beak shorter, decidedly stouter, always pale, the eyes 



smaller 14 rufllllis 



Color black ; form narrow ; beak rather long, somewhat more than one- 

 half as long as the elytra in the female 15 Clliieat llllis 



Condensed pubescent areas very small and remote, each consisting of several 



longer white hairs ; strial punctures very coarse 16 alaskanilS 



Coloration not uniform; elytra with a more or less distinct and pale sublateral 

 vitta. 

 Sutural notch triangular, deep and clearly limited, each elytron being acute 

 and minutely subprominent at apex ; condensations of the elytral vesti- 

 ture almost obsolete 17 marginatus 



Sutural notch subobsolete, each elytron broadly rounded ; elytral conden- 

 sations well marked. 

 Pronotum with four small condensed spots in a posteriorly arcuate trans- 

 verse line ; head with a deep frontal fovea IS indiffereiis 



Pronotum without trace of the four spots transversely arranged, but with 

 two approximate, sparsely pubescent vittse along the middle, and a 

 lateral vitta, dilated at the middle and inclosing at this point a small 



subglabrous spot ; frontal fovea obsolete 19 vagenotatllS 



11 — Prothorax strongly transverse, with the apex much narrower than the 



base 12 



Prothorax small and but slightly transverse, the apex nearly as wide as the 



base 13 



12 — Coloration pale. 

 Small species, pale ochreous-testaceous throughout, with a broad indefinite 

 and slightly darker subsutural vitta on each elytron, from the base nearly 

 to the apex ; punctuation coarse ; vestiture rather long, coarse. 



20 rufus 



