128 Memoirs on the Coleoptera 



Prothorax relatively much larger; body larger in size; beak (d*) rather thick, 

 strongly, longitudinally sculptured, strongly arcuate and as long as the elytra; 

 antennae submedial, black, the first funicular joint unusually elongate, as 

 long as the next three, the second slightly elongate, the club rather narrow 

 and gradually pointed, fully as long as the preceding four joints; prothorax 

 one-half wider than long, the sides strongly, very evenly rounded from base 

 to constriction, not quite parallel at base; tubulation rather more than two- 

 fifths as wide as the base, the basal lobe and scutellum almost as in the 

 preceding; elytra as long as wide, much wider than the prothorax and three- 

 fifths longer, with prominent and rather strongly rounded humeri; oblique 

 sides just visibly more arcuate medially; apex rather narrowly rounded; 

 striae very fine and subobsolete, not evidently punctate, except finely so 

 laterally, a few striae deep near the apex, i, 9 and 10 as usual; second slightly 

 dilated and deep at base, the striae nowhere impressed; under surface sparsely 

 punctate; femora rather strongly but loosely so, the spicules moderate. 

 Length 5.0 mm.; width 3.45 mm. Brazil (Tejuca, near Rio de Janeiro). 



H. Clark. One male example aptus n. sp. 



39 — Body subrhombic-oval, stouter; beak slender, cylindric, smooth and polished, 

 finely, sparsely punctate throughout, moderately arcuate and nearly as long 

 as the elytra; antennae rather stout, submedial, black, the first funicular 

 joint longer than the next two, the second nearly one-half longer than wide, 

 the club as long as the preceding four joints; prothorax three-fifths wider 

 than long, the rounded sides converging anteriad, becoming not quite parallel 

 near the base; apex fully three-sevenths as wide as the base, the basal lobe 

 minutely, sparsely punctulate, rounded, very slightly impressed at apex, the 

 lateral oblique impressions conspicuous; scutellum short, transverse, unlike 

 that of any of the preceding species in being deeply concave; elytra as long 

 as wide, much wider than the prothorax and two-thirds longer, evenly 

 parabolic, the humeri prominent but not abruptly so; striae very fine, feeble 

 and obsoletely punctulate, more evident and punctate on the flanks, some 

 of them coarse and grooved at apex, the second not dilated though distinct 

 at base; femora coarsely, sparsely punctate; abdomen minutely, remotely 

 so, the first segment with a fine median stria. Length 4.7 mm.; width 

 3.2 mm. Brazil (Chapada). December. A single female. ... satyrus n. sp. 

 Body narrower and more sharply rhombiform; beak in both sexes slender, 

 cylindric, moderately arcuate, as long as the elytra, smooth, shining and 

 minutely, sparsely punctulate, the more distinct and longitudinally sub- 

 anastomosing lateral punctures basally more evident in the male; antenna; 

 very slightly behind the middle, black, the first funicular joint longer than 

 the next two, the second about twice as long as wide, the club as long as 

 the preceding four joints, conically and finely pointed in about distal half; 

 prothorax two-thirds (cf ) to three-fifths ( 9 ) wider than long, in form nearly 

 as in satyrus, the tubulation evidently wider in the female but not half as 

 wide as the base, the basal lobe feebly punctulate, margined and almost 

 evenly rounded, the lateral oblique impressions distinct; scutellum trans- 

 verse, concave medially but not so conspicuously as in satyrus; elytra as 

 long as wide (9), somewhat longer (d"), parabolic, with strongly rounded 

 apex, the humeri not so prominent as in the preceding, the striation nearly 

 similar, the second stria with a more isolated longitudinal furrow at base; 

 abdomen finely, sparsely punctate in both sexes, the sexual characters very 

 feeble. Length 4.0-4.3 mm.; width 2.6-2.85 mm - Brazil (Chapada — 



forest). March and November. Three specimens occultus n. sp. 



40 — Second and third elytral striae deep and dilated basally 41 



Second and third striae not notably modified basally 42 



4 1 — Form elongate, rhomboid-oval, convex; beak (o 71 ) long, arcuate, rather 



