Coleopterological Notices, VII. 395 



Penultimate joints of the antennae only slightly transverse, the club mod- 

 erate in thickness ; elytra }4 longer than the head and prothorax com- 

 bined 29 comptum 



Penultimate joints strongly transverse, the club strong ; elytra obviously 

 less than }4 longer than the head and prothorax. 



Clypeus distinctly keeled along the middle 30 liumile 



Clypeus simple ; body narrower and less pubescent, the antennae less 



stout 31 pallidum. 



Pronotum more or less feebly impressed transversely near the basal margin ; 

 male with a more densely punctured frontal area ; antennal club rather 

 slender. 

 Elytral pubescence short, coarse and recurved, with widely dispersed erect 

 setae intermingled ; color bright testaceous throughout. 



32 angusticolle 

 Elytral pubescence long, suberect and virtually uniform. 



Body stouter, with the head well developed, piceous or blackish in 



color 33 frontale 



Body narrower and more rhomboidal, paler in color, the head much 



smaller in size 34 frustum. 



20 — Head not greatly modified in the male 21 



Head conspicuously modified in the male, being more or less prominently angu- 



late at the sides behind the eyes in that sex; body extremely minute... 31 



21 — Pronotum even, without distinct transverse impression; body slightly 



larger; eyes small or moderate 22 



Pronotum with a transverse interrupted impression near the basal margin, 



which is however generally feeble 23 



22 — Elytral pubescence long, even and suberect; male without tibial spur, at 

 least in occidens. 



Black, the elytral suture beaded toward base 35 integrum 



Eufous, the suture not at all beaded 36 occidens 



Elytral pubescence rather long and suberect but intermingled with still longer 

 tactile setae ; male with a slender spur at the apex of the hind tibiae. 



Body feebly ventricose, the elytral vestiture dense 37 anale 



Body strongly ventricose, the elytral vestiture coarser and much sparser. 



38 ventricosum 

 Elytral pubescence short, coarse and recurved ; body rufo-testaceous through- 

 out. 

 The elytral vestiture even, or with the erect setae not obviously longer. 

 Femora strongly clavate; subhumeral impression rather distinct though 



moderate 39 hirtellum 



Femora feebly clavate, especially posteriorly. 



Subhumeral impression almost obsolete 40 decorum 



Subhumeral impression distinct; male with a spur at the apex of the 



hind tibiae 41 digressum 



The elytral pubescence intermingled with long, erect and conspicuous 

 tactile setae; subhumeral impression very long and deep; femora quite 

 feebly clavate 42 setiger 



