TRIBE XXI. rUYI'TOKIIYXt'HIXI. 473 



735 (8719). CONOTRACI-IKLUS ARATUS Germ., 1824, 283. 



Oblong-ovate. Piceous, elytra variegated with reddish-brown; thinly 

 clothed with fine, short yellowish pubescence, the lines of thorax as in 

 elegans; elytral band and a spot at base of second interval whitish; an- 

 tennse and tarsi pale. Beak stout, as long as head and thorax, finely striate, 

 carinate, rather densely punctate. Thorax as wide as long, sides rounded 

 from base to beyond middle, constricted near apex; disc densely and rather 

 coarsely punctate, not or very feebly carinate. First carina of elytra twice 

 interrupted, that of fifth interval not interrupted near base. Length 4 

 mm. 



Atlantic County, N. J., rare; Sanford and Dimedin, Fla., 

 rare; March 28 April 4. Described from Kentucky. Recorded 

 also from Massachusetts and Texas. Easily known from allied 

 species by the punctuation of ventral segments as given in key 

 and by the fifth ventral bearing two tubercles as in nenuphar. 



GROUP II. (CRAT^GI GROUP.) 



111 this group the beak is slender, longer than head and thorax ; 

 alternate intervals of elytra elevated but (except in l>clfi'af/ci) not 

 interrupted; thorax more or less carinate, not grooved; surface 

 finely pubescent with, at most, lines of very short bristles on 

 elytra; femora armed with a. single usually acute tooth. 



KEY TO EASTERN SPECIES OF GROUP II. 



o. Elytra strongly widened at base, their humeri with a small obtuse 

 tooth on outer side; ventral segments 2 4 sparsely punctured. 



736. CRAT.-KOT. 



no. Elytra normally widened at base, their humeri not dentiform. 



b. Ventral segments very shining, with a few scattered large punc- 

 tures, more numerous on the fifth; antenna? inserted at apical 

 third of beak. 737. SKRPKNTINUS. 



bb. Ventral segments densely and coarsely punctate; antennas inserted 

 at middle of beak. 



c. Elytra each with an elevated crest or tubercle at middle near 

 suture, with a large common white spot just behind. 



738. ISEI.FRAGEI. 



cc. Elytra without tubercle and spot as above; thorax strongly con- 

 stricted in front; smaller, not over 6.5 mm. 



(I. Femoral tooth large, acute; white markings conspicuous with- 

 out intermixed bristles. 739. SIMTLIS. 



(hi. Femoral tooth obtuse; pubescence intermixed with bristle?. 



740. NASO. 



