Baring 437 



Scutellum larger, densely squamose, species of more northern habitat.. .2 



Scutellum small, nude or with a few widely spaced squamules; species 

 mostly tropical 5 



2 — Prothorax but slightly narrower than the elytra *• • -3 



Prothorax only about three-fourths as wide as the elytra, and more 

 subcylindric 4 



3 — Form subrhombic-oval, convex, very closely clothed above with 

 parallel scales of pale ochreous color, more slender on the pronotum 

 and somewhat denser on strial intervals 3-5-7, the first interval 

 very narrow; under surface very densely yellowish-squamose at 

 the sides, more finely and less densely on the metasternum; beak 

 nearly similar in the sexes, slender, arcuate, distinctly longer than 

 the head and prothorax, the antennae inserted at the middle (cT) 

 or distinctly behind the middle ( 9 ) ; prothorax only a fifth or sixth 

 wider than long, subconical, with the sides slightly more oblique 

 in about apical third; punctures regular, dense; elytra oval, rather 

 pointed behind, with moderate striae and subequal intervals. Length 

 (cf 9) 2.0-2.75 mm.; width 0.85-1.22 mm. Indiana, Illinois, 

 Pennsylvania and District of Columbia. Eighteen specimens. 



helvinus Csy. 



Form more abbreviated than in helvinus, the size smaller; color nearly 

 black, the elytra and tibiae dark rufous; squamules above yellowish, 

 abundant, close-set and distinct on the pronotum, slightly more 

 distinct toward the sides and along the median line, the strial 

 intervals alternating very greatly in width, almost as in alternatiis, 

 the broader densely clothed with whitish scales, the narrower with 

 one or two series also of rather close-set squamules; beak in the 

 male long, evenly arcuate, almost half as long as the body, the 

 antennae inserted near two-fifths; prothorax almost a fourth wider 

 than long, the sides straight and feebly converging for four-sevenths, 

 there becoming oblique and nearly straight to the apex; punctures 

 strong and dense; elytra barely a fourth longer than wide, a fourth 

 or fifth wider than the prothorax, the sides subparallel, rounding 

 and subogival behind the middle; striae moderately coarse, deep, 

 the intervals alternately as wide as the striae and fully twice as wide. 

 Length (cf) 1.8 mm.; width 0.8 mm. Indiana. Levette collection. 



brevier n. sp. 



Form stouter, more oval and larger in size, the squamules of the upper 

 surface paler yellowish-white, fine on the pronotum but coarser and 

 closer toward the sides and in a narrow medial line, in a manner 

 never more than faintly discernible in helvinus, the elytra with the 

 strial intervals alternating much more markedly in width, the nar- 

 rower with very few fine squamules, the broader densely squamulose, 

 producing a conspicuously vittate appearance, the vittae of the third 

 and seventh intervals uniting near the apex, continuing thence to 

 the apex as a single vitta; beak longer, nearly half as long as the 

 body, more arcuate, the antennae inserted slightly behind the 

 middle (cf) or at basal third (9); prothorax larger and more 

 inflated than in helvinus, densely punctate, more than a fourth 

 wider than long, the sides converging and broadly, strongly arcuate 



