TRIBE II. AXTHRIBIXI. 35 



20 (9216). PIEZOCORYXUS MIXTUS Lee., 1876, 402. 



Oblong, cylindrical. Brown, opaque; thorax thinly, elytra thickly 

 clothed with short, prostrate brown, gray and dull yellow hairs, the latter 

 predominating on the elytra, the gray forming a large patch on head and 

 small spots on the alternate intervals of elytra; legs annulate with gray. 

 Antennae very slender, joints of club subequal in length, 10th and llth a 

 little shorter than the 9th, the 10th not narrower. Head and thorax very 

 densely punctured, the latter narrowed in front, not rounded at sides. 

 Elytra each with an obtuse elevation on basal fourth of second and third 

 intervals; striae with deep, close-set punctures; intervals tessellated. Length 

 4.7 6 mm. 



Jennings Co., Indiana, scarce; sifted from debris at base of 

 maple trees; November 20. Avalou, Sea Isle, Ocean City and 

 Anglesea, N. J. ; June August. Eanges from New Jersey to 

 southern Indiana, south to Florida. Occurs in same places as 

 does d is par. 



21 (9217). PIEZOCORYNUS MCKSTUS LeConte, J. E., 1824, 172. 



Resembles the preceding but smaller and more robust. Pubescence 

 finer and of a grayish-black color, tessellated with black on elytra; the 

 only white spots being two small dots on the thorax, one at middle of apical 

 margin, the other in front of the white scutellum; legs annulated with 

 dark gray. Length 4 mm. 



Brigautiue Beach, New Jersey, rare; September. Known also 

 from District of Columbia, Georgia and Florida. Occurs rarely 

 on dead branches, old logs and under loose bark. 



XI. ANTHKIBUS Geoff., 170-4. (Gr., "a flower" -f "to destroy.") 



Oblong or subcylindrical species having the beak wider than 

 long, flat with sides parallel ; eyes rounded, convex, coarsely 

 granulated; antennae half as long as body, second and fourth 

 joints equal, each somewhat longer than third, 4 8 slightly 

 diminishing in length and increasing in thickness, 9 11 forming 

 a compressed oval club. First joint of tarsi slightly longer than 

 second, the latter triangular and emarginate, third as wide as 

 second, deeply bilobed ; claws acutely toothed at middle. 



KEY TO EASTERN SPECIES OF ANTHRIBUS. 



a. Pubescence tufted; elytra with a large transverse white spot in front 



of middle. 22. COKNUTUS. 



aa. Pubescence short, uniform, dense yellow-gray. 23. LIVIDUS. 



22 (9218). ANTHRIBUS CORNUTUS Say., 1831, 4; ibid, I, 262. 



Elongate, subcylindrical. Brown with conspicuous tufts of dark hair 



