508 Memoirs on the Coleoptera 



long as the head and prothorax, feebly sculptured, polished and glabrous, slender 

 and evenly arcuate and cylindric, not separated by a transverse impression, the 

 front between the eyes duller and longitudinally impressed ; prothorax a fourth 

 wider than long, the sides parallel and moderately arcuate behind the tubulation, 

 which is three-fourths as wide as the base; punctures rather strong, not very 

 widely separated, irregularly sparse along the middle; elytra twice as long as 

 wide, a third wider than the prothorax and about three times as long; surface 

 impressed near the tip, finely, sparsely punctulate, the striae deep, obsoletely 

 punctate and about a fourth as wide as the feebly convex intervals; sides parallel 

 and virtually straight, the apex rapidly obtuse, the humeri feebly prominent. 

 Length 2.6 mm.; width 0.8 mm. Brazil (Chapada). March. One specimen of 

 undetermined sex. 



This species may be known easily by the slender cylindric form, 

 small prothorax, glabrous surface and slender, more or less bent 

 femora and tibiae. 



