Casey — A Revision of the American Paederini. 233 



Body black or piceous-black in color, the elytra and last two ventral seg- 

 ments pale; legs and antennae very pale throughout; abdomen 

 broader 2 



Body pale luteons in color throughout, somewhat smaller in size 3 



2 — Form stouter, convex, shining throughout, the head and prothoras with 



impressed close-set and rather feeble but distinct punctures, the elytra 

 more coarsely, deeply, rather closely, subrugosely and conspicuously 

 punctate, the abdomen flnely, closely punctulate; head as long as wide, 

 abruptly narrowed before the eyes, the front parallel and rectilinear at 

 the sides; eyes prominent, at their own length from the base, the sides 

 behind them rapidly convergent and arcuate to the neck ; antennae rather 

 more than half as long as the body; prothorax longer than wide, dis- 

 tinctly narrower than the head, convex, the surface impressed at the sides 

 behind the middle, the median line narrowly smooth and slightly ele- 

 vated; elytra as long as the prothorax and a fourth or fifth wider, 

 scarcely as long as wide, the sides subparallel and broadly arcuate, the 

 base moderately oblique at the sides, with the angles obtusely rounded; 

 abdomen parallel, feebly arcuate laterally, only slightly wider than the 

 elytra. Length 3.8 mm.; width 0.68 mm. Virginia... monstrosns Lee. 

 Form more slender, similar in color, lustre and sculpture to monstrosus but 

 deeper black and less piceous; head longer than wide, less narrowed 

 before the eyes, the latter less prominent but of the same size, the sides 

 more strongly converging and arcuate behind them to the neck; anten- 

 nae half as long as the body; prothorax narrower and more elongate, 

 only just visibly narrower than the head, otherwise nearly similar; 

 elytra much narrower, smaller in size, fully as long as wide, barely a"s 

 long as the prothorax and only about a sixth wider, the sides feebly 

 diverging, feebly arcuate, the base very oblique at each side with more 

 obtuse shoulder angles; abdomen relatively broader, parallel, arcuate 

 at the sides, much wider than the elytra. Male with sexual characters 

 nearly as in Stilicopsis, the fifth ventral feebly, subtriangularly emargi- 

 nate throughout the width, the sixth also more strongly and parabolically 

 emarginate throughout the width, the seventh with a broad slit, nar- 

 rowing toward base, the ligula broad, flat and truncate ; female with the 

 sixth ventral very broad, obtusely rounded in circular arc at tip. 

 Length 3.9 mm.; with 0.65 mm. North Carolina (Asheville). 



carolinae n. sp. 



3 — Body more parallel, shining, uniform and very pale in coloration 



throughout; head nearly as in monstros^ls but more finely punctulate and 

 similarly impressed at each side of the front before the eyes, the latter 

 rather smaller but equally prominent, at more than their own length 

 from the base; antennae more than half as long as the body; prothorax 

 as in carolinae; elytra parallel, arcuate at the sides, barely as long as 

 wide, nearly as in monsti'osus, as long as the prothorax and much wider; 

 abdomen much narrower, parallel and almost straight at the sides and 

 not wider than the elytra. Length 3.5 mm. ; width 0.6 mm. Florida. 



pallidns n. sp. 



The conformation of the elytra is such as to suggest that 

 the hind wings may not be fully developed in this genus, 



