298 BULLETIN 145, UNITED STATES NATIONAL MUSEUM 



verse between the antennae, slightly elevated, and broadly but not 

 deeply, arcuately emarginate in front; antennae extending to middle 

 of pronotum, serrate from the fifth joint, and the outer joints slightly 

 longer than wide; eyes large, elongate, and slightly more acutely 

 rounded beneath than above. 



Pronotum slightly wider than long, feebly narrower at base than 

 apex, and widest near middle; sides slightly arcuately rounded 

 from apical angles to behind middle, then more strongly narrowed 

 to the posterior angles, which are rectangular; when viewed from 

 the side the marginal and submarginal carinae are slightly sinuate, 

 rather widely separated anteriorly, and connected to each other at 

 base; anterior margin rather strongly sinuate, and the median lobe 

 strongly, broadly rounded ; base feebly, broadly emarginate at middle 

 of each elytron, and the median lobe broadly rounded; disk strongly 

 convex, with broad, feeble lateral depressions, but without any trace 

 of median depressions or prehumeral carinae; surface obsoletely 

 granulose, densely, feebty rugose, the rugae more or less oblique 

 at middle, but becoming more irregular toward the sides, finely, 

 densely punctate between the rugae, and rather densely clothed with 

 long, recumbent, whitish hairs at the sides posteriorly. Scutellum 

 vaguely, transversely carinate, the carinae strongly sinuate, and the 

 surface finely, densely reticulate. 



Elytra slightly wider than pronotum at base, and slightly wider 

 at base than behind middle; sides feebly rounded for a short dis- 

 tance behind base, feebly, arcuately constricted in front of middle, 

 broadly, arcuately expanded behind the middle, then obliquely nar- 

 rowed to the tips, which are separately, narrowly rounded, and 

 coarsely serrulate; sides of abdomen broadly exposed above, disk 

 convex, sutural margins strongly elevated posteriorly, and with 

 broad, shallow basal depressions; surface densely, coarsely imbri- 

 cate-punctate, and each elytron ornamented with pubescent spaces 

 composed of densely placed, rather long, recumbent, whitish hairs 

 as follows: a round spot in basal depression, and a narrow vitta 

 extending along sutural margin from basal fourth to apex. 



Abdomen beneath rather densely, finely punctate, the punctures 

 connected transversely by fine sinuate lines which are coarser on the 

 first two basal segments, and clothed with long, recumbent whitish 

 pubescence, which is denser at the sides; first two segments feebly 

 convex at middle; last segment broadly rounded at apex; vertical 

 portions of the first segment densely pubescent; pygidium coarsely 

 punctate, longitudinally carinate, but the carina not projecting. 

 Presternum sparsely, coarsely punctate, and sparsely clothed with 

 long, erect, white hairs, which extend along middle of body to 

 second abdominal segment; posternal lobe broad, strongly declivous, 

 and broadly truncate or vaguely emarginate in front; prosternal 



