148 BULLETIN (hi, UNITED STATES NATIONAL MUSEUM. 



sixth, and seventh subeqiial, eighth as wide as long, ninth and tenth 

 feebly transverse and oval, eleventh snbovate. 



Pronotum snbqnadrate, Avidest at the middle, one-seventh to one- 

 fourth wider than long; disc rather strongly and evenly convex, de- 

 clivous at the sides, coarsely, densely, and quite evenly punctate, the 

 punctures at times more or less confluent and strongly iuipiessed. 

 becoming muricato-granulate laterally; apex truncate and finely or 

 obsoletely margined ; shies quite evenly and not strongly arcuate to 

 subangulate at the middle, thence quite straight to base, obsoletely 

 or finely margined ; base truncate or very feebly rounded and finely 

 nuirgined, slightly wider than the apex and about equal to the length ; 

 apical angles rectangular to obtuse and not rounded, occasionally 

 minutely prominent ; basal angles subrectangidar to obtuse, not 

 rounded nor prou.iinent. 



Projdcirni granulo-scabrous to muricato-granulate. 



Elytra oval, about or less than twice as long as wide; base truncate 

 and equal in width to the contiguous prothoracic base: humeral 

 angles absent, rounded ; sides evenly arcuate, apex feebly produced 

 and subacute; disr eA^enly and strongly convex and almost vertically 

 declivous posteriorly; surface tuberculate, the tubercles arranged in 

 rows, consisting of series of small, evenly and closely placed ones, 

 with interstitial series of much larger and more distantly placed 

 tubercles, those of both series becoming subequal in size at the sides 

 and smaller on the apex, and more or less irregular. 



Epipleura' more or less concave toward the base, and finely, sparsely 

 jiunctate. 



■fSferiia more or less densely granulo-punctate. 



Pa?'apleura' sparsely and not coarsely punctate. 



Abdomen horizontal, quite densely punctate, the punctures be- 

 coming somewhat granular at the sides. 



Leejs moderate. Femora densely and rather finely punctate, the 

 j^rofemora mutic. not sinuate. Anterior tibial spurs about equal in 

 size and length, acute. Tarsi similar in the sexes: first joint of the 

 anterior tarsi not thickened at tip beneath. a])ic()-nuirginal tufts of 

 spinules acute, grooves entii'e. 



Male. — Somewhat narrow. Antennw scarcely reaching to the pro- 

 thoracic l)ase. Abdomen moderately convex, broadly impressed on 

 the first three segments. 



Female. — TJobust. Anteniue reaching to about the posterior fourth 

 of the i)r()th()rax. Abdomen evenly and strongly convex, feebly veu- 

 tricose. 



Measurements. — Males: Length, 9-17.5 nun.: width. .VT mm. 

 Females: Length, 17-19 nun.: widtli. (>-8 mm. 



Genit(d ehareiderK. mrt/^.— Edeagophore of the usual oblong-ovate 

 form, rather small. 



