4i2 SI'HFAMILY X. ( TU< TLIOXIN.E. 



scales; antenna? and legs pale reddish-brown. Beak scaly at base, shining 

 on apical half, finely and sparsely punctate; front concave between the 

 eyes. Thorax one-third wider than long, broadly and shallowly constricted 

 near apex, disc coarsely and densely punctate; dorsal channel distinct only 

 on basal half, lateral tubercles small, acute. Elytra one-fourth wider at 

 base than thorax, sides broadly rounded; strial punctures small, rather 

 distant; intervals convex, rugose, each with a row of small inclined tuber- 

 cles. Last ventral of male with a small glabrous space at apex, middle and 

 hind tibiae clawed at tips. Length 2.3 2.7 mm. 



Common on dock throughout Indiana; hibernates as imago; 

 Jan. 7 July 10. Throughout New Jersey, May August, feed- 

 ing on RiuiK'.r. Kecorded from New England and Ottawa, Can- 

 ada, west to Colorado and southwest to Texas. Occurs mainly 

 on different species of dock (Runicx) ; breeds also on smart- 

 weed, Polijyoiiiiiii pennsylvanicum L. and Eupliorbia inarginata 

 Pursh. Confused in some collections with Ceutorhynchus dcd- 

 picnx, but easily separated by its short beak and unarmed femora. 



/21 (8865). Rinxoxcus LONGULVS Lee., 1876, 284. 



Oblong-oval. Dark reddish-brown or piceous, antenna? and tarsi paler; 

 above very thinly clothed with very short, fine pubescence, intermixed with 

 isolated elongate white scales; sides and dorsal channel of thorax, scutel- 

 lar spot of elytra and small sutural spot on declivity densely clothed with 

 white scales. Beak very stout, shorter than head, densely and coarsely 

 punctured. Thorax as wide as long, slightly narrowed in front, sides feebly 

 rounded; disc coarsely and densely punctured, its dorsal channel confined 

 to basal half. Elytra one-fourth wider at base than thorax, stria? deep, 

 distinctly punctured, intervals flat, densely rugose. Length 2.5 2.8 mm. 



Lake, Kosciusko, Kuox and Lawrence counties, Ind., scarce; 

 probably throughout the State; April 29 Sept. 2. Orange Mts., 

 N. J. Ithaca, N. Y., June. Black Mountains, N. C., Sept. 20. 

 Kaiiges from New England to Illinois, south to Florida. Occurs 

 on Polygon i< in, eating round holes in leaves, 



XAa. PERENTIIIS Diet/,, 1S!W. 



In addition to characters of key the single species has the 

 beak stout, widened toward tip; funirle (J-jointed, joints 2 and 3 

 little longer than wide, 4 6 wider than long; middle coxa? three 

 times as widely separated as the front ones; legs slender, femora 

 unarmed, not club-shaped, claws simple. 



722 (- -). PKHKXTHIS VESTITI'S Dietz, 1896, 460. 



Elongate-oblong. Black, above densely clothed with dark gray and 

 paler scales intermixed, the vestiture having a faint bluish reflection; 

 sides of thorax and under surface closely and uniformly clothed with 



