TRIBE XX. CEUTORHYNCHINI. 431 



662 (8828). ACANTHOSCELIS CURTUS Say, 1831, 29; ibid. I, 298. 



Broadly oval, robust. Dark piceous, rather densely clothed with small 

 brown scales mottled with spots of pale scales, which form a transverse row 

 verse row of four spots and another behind apical margin of three spots; 

 surface of elytra mottled pale and dark; antennae and legs reddish-brown. 

 Thorax convex, less than one-half wider than long, disc densely punctured 

 and with a small acute tubercle each side of the dorsal channel, the latter 

 distinct only hear base. Elytra at base two-fifths wider than thorax, striae 

 with large punctures partly concealed by scales; alternate intervals 

 wider and a little more convex. Male with the fifth ventral feebly im- 

 pressed. Length 3 3.5 mm. 



Frequent throughout southern Indiana, not yet taken in the 

 northern counties; May 16 July 13. Occurs near New York 

 City on Poly go-mi m in swamps. Ranges from New England to 

 Montana and Arizona. 



663 (8835). ACANTHOSCELIS ACEPHALUS Say, 1824, 309; ibid, II, 173. 

 Broadly oval. Blackish, above nearly uniformly clothed with grayish- 

 yellow scales, which give it a distinct grizzly appearance; antennae and 

 legs dark reddish-brown; beneath clothed with large oval ashy-gray scales. 

 Beak as long as thorax, rather stout, cylindrical, entirely scaly in male, 

 more slender with apical half shining in female. Thorax two-thirds wider 

 than long, sides rounded; dorsal channel distinct only at base, the lateral 

 tubercles small, obtuse. Elytra one-fourth wider at base than thorax, 

 scarcely as long as wide, distinctly narrowed behind; striae coarse, their 

 punctures small. Male with ventral segments 2 5 broadly impressed and 

 clothed with elongate grayish scales. Length 3 3.7 mm. 



Frequent throughout Indiana, May 23 August 2, in the axils 

 of the leaves of the evening primrose, Onayra biennis L. Com- 

 mon all along the shore of New Jersey, May to September, on the 

 same plant. "Lives on Polyyoninn especially P. lu/dropipcr." 

 (Hamilton.} Ranges from Canada and New England to Michi- 

 gan, Colorado and Kansas, south to Georgia. 



664 ( ). ACANTHOSCELIS MENDICUS Dietz, 1896, 400. 



Oblong oval. Dark piceous, legs rufo-piceous; above clothed with dark 

 brown and pale gray scales, the pale ones of thorax forming a median trans- 

 of four spots just behind the middle, and a number of small spots and ob- 

 lique lines on elytra; scales of under surface large, dirty white. Thorax 

 as long as wide at base, widest behind the middle, tubercles minute, disc 

 closely and rather finely punctured; dorsal channel well impressed only 

 at base. Elytra nearly one-third wider at base than thorax, about as long 

 as wide; striae v/ide, deeply, closely and distinctly punctate; intervals con- 

 vex. Length 2.7 3 mm. 



Rabun Co., Georgia, July. Described from Georgia, Florida 

 and Columbus, Texas. "Recognized by the predominant dark 

 brown color of its scales, small size and distinctly widened outer 



