Coleopterological Notices, IV. 383 



Fifth interval not conspicuously vittate ; second funicular joint very variable 



in length but always much shorter than the first 2 



2 — Elytral scales almost uniform in size and density throughout the disk, 



uniform in coloration or more or less conspicuously mottled 3 



Elytral vestiture very uneven, condensed in subtransversely wavy areas, in 



which the scales become larger, denser and generally paler in color 16 



3 — Elytra inflated and only slightly longer than wide 4 



Elytra not inflated, much longer than wide, parallel at the sides toward base... 5 

 4 — Prothorax distinctly narrower than the base of the elytra, the latter with 

 a large subbasal area of dark brown or blackish scales. 



Elytral striae coarse and distinctly punctate 2 discoideus 



Elytral striae fine throughout; form narrower 3 COrpilleiltllS 



Prothorax scarcely perceptibly narrower than the base of the elytra, and with 



two conspicuous white discal vittae 4 amoenus 



5 — Vestiture uniformly bright orange-red in color, dense throughout. 



5 f ulvus 

 Vestiture vaguely nubilate with whitish, the elytra with a large quadrate 



subbasal spot of velvety black 6 quadrifer 



Vestiture varying in its shades of ochreous or cinereous, uniform, confusedly 



mottled or otherwise variegated 6 



6 — Sides of the prothorax parallel and straight in basal two-thirds to three- 

 fourths 7 



Sides of the prothorax evenly and distinctly arcuate in basal two-thirds ap- 

 proximately 8 



K — Prothorax narrowed but scarcely at all constricted near the apex ; body 



large, oblong 7 profusilS 



Prothorax very strongly and abruptly constricted behind the apex ; recurved 

 setae of the elytra long, coarse, sparse but strongly hispid and conspicuous. 



8 inti icatus 



8 — Elytra at least very nearly three times as long as the prothorax 9 



Elytra distinctly less than three times as long as the prothorax 13 



9 — Third elytral interval rather wider and more prominent ; body clothed 



with an extremely dense crust of uniform ochreous scales 9 pusio 



Third elytral interval not more prominent 10 



lO — Elytral scales extremely dense, widely imbricated 11 



Elytral scales scarcely contiguous, sometimes sparse 12 



11 — Prothorax rather large, somewhat broadly inflated and much wider than 



long 10 corniculatus 



Prothorax small, about as long as wide, subcylindrical ; species small. 



Scales of the upper surface very large, broadly oval 11 imbricatus 



Scales smaller and narrower, elongate-oval. 



Elytra at base scarcely more than one-third wider than the prothorax ; 



body narrow 12 silaceus 



Elytra at base about one-half wider than the prothorax ; body more 



robust 13 spurcus 



12 — Elytra more or less rufous 14 vestitlis 



Elytra black 15 sparsus 



