242 Memoirs on the Coleoptera 



ferruginous, with bright rufous legs and piceo-rufous beak, the pale yellowish 

 squamules of the upper surface rather sparse but very uniform throughout, 

 forming two uneven interstitial series; those beneath broader and white, 

 but still rather well separated; beak (9) slender, strongly arcuate, two- 

 thirds as long as the elytra, smoother but only very slightly thinner distally, 

 the well developed antennae at two-fifths rufous, with dark club; prothorax 

 a fourth wider than long, conical, with feebly arcuate sides, the somewhat 

 tubulate truncate apex more than half as wide as the base; punctures strong 

 and dense; scutellum very small, quadrate, rough and only minutely and 

 sparsely squamulose; elytra more than a fourth longer than wide, evenly 

 elliptic, twice as long as the prothorax, the striae deep and rather coarse; 

 intervals sparsely punctate and somewhat shining. Length 1.6 mm.; width 

 0.7 mm. Chapada. May. On flowers, in forest clearings. One specimen. 



subtilior n. sp. 



Form not so narrow and with more distinctly tubulate thoracic apex, black, the 

 legs obscure rufous; squamules above nearly white, slender, much closer 

 than in subtilior, about as in subangusta, evidently separated and forming 

 two uneven interstitial series, still whiter and very dense beneath; beak (cf) 

 slender, very feebly tapering, two-thirds as long as the elytra, strongly 

 arcuate medially, less so at base and apex, or ( 9 ) almost exactly similar 

 but rather less arcuate; antennae just visibly beyond (o 71 ) or behind ( 9) 

 the middle; prothorax a sixth (o") or a fifth ( 9) wider than long, the con- 

 verging sides feebly arcuate, more so at apex, which is rather notably tubu- 

 late, especially in the male, and half as wide as the base, less ( 9 ) ; punctures 

 close; scutellum small, quadrate, very densely albido-squamose like the 

 thoracic lobe; elytra oval, scarcely a fifth longer than wide, not three-fourths 

 longer than the prothorax, the striae rather coarse and deep; male with the 

 abdomen scarcely at all modified, the erect prosternal spines short, rufescent, 

 very slender, slightly arcuate and not half as long as the prothorax as a rule. 

 Length 1.8 mm.; width 0.75-0.85 mm. Brazil (Chapada). May and June. 

 On flowers, in forest clearings. Six specimens floralis n. sp. 



Form rather more broadly oval, the size less minute, piceous, the legs rufous; 

 slender squamules of the upper surface pale ochreous and not nearly white, 

 much closer, only very narrowly separated throughout and confused on the 

 interstrial surfaces; beak (cf) longer, very strongly, evenly arcuate, nearly 

 three-fourths as long as the elytra and very slightly, gradually tapering, 

 closely punctate and squamulose at the sides basally; antennae moderate, 

 rufous, with fuscous club, medial in position, the scape extending less than 

 three-fifths to the eye; prothorax nearly similar in outline and with a similar 

 strong apical tubulation — less evident in the female of floralis, the punctures 

 dense; scutellum and thoracic lobe very densely clothed with whiter scales, 

 the former larger than in floralis; elytra a fourth longer than wide, parabolic, 

 not quite three-fourths longer than the prothorax, the striae slightly less 

 coarse and the intervals wider than in floralis; male with the abdomen 

 impressed medio-basally but not differently clothed, the prosternal spines 

 slender, feebly arcuate, rufous and half as long as the prothorax in the type. 

 Length 2.0 mm.; width 1.1 mm. Brazil (Chapada). June. One example. 



pudica n. sp. 



Ill — Larger species, never under 3 mm. in length, the male, where known, usually 

 with notably long slender subporrect prosternal spines, often extending 

 beyond the head 2 



Small species, the male, where known, always with extremely short erect prosternal 

 spines; antennal scape extending much more than half way to the eye.. . .9 



2 — Ground squamules of the elytra small, dark and inconspicuous; scutellar 

 region not solidly squamose 3 



