538 SUBFAMILY XII. COSSONIN^E. 



gg. Beak much shorter than head, its grooves reduced to deep 



postmedian pits; tarsi narrow. VII. STENOSCELIS. 



ff. Elytral striae, except sutural one, obsolete; form very slender; 



beak less than half the length of head. VIII. LIOLEPTA. 



I. PHLCEOPHAGUS Schon., 1837. (Gr., "bark" + "eater.") 



Antennae inserted at middle of beak, scape impinging more or 

 less on the eyes; two basal joints of funicle obconic, eacb one-half 

 longer than third, 3 7 short, subequal, gradually slightly wider; 

 beak rather stout, feebly curved; thorax oblong, narrowed from 

 base toAvard apex ; scutellum small, rounded ; elytra elongate, con- 

 vex above, their base truncate; third tarsal joints moderately 

 dilated and slightly emarginate at tip. 



KEY TO AMERICAN SPECIES OF PHLCEOPHAGUS. 



a. Body glabrous; beak half the length of thorax. 

 !>. Black or piceous; thorax densely punctate. 



c. Beak widest at insertion of antenna?; elytral striae deep, coarsely 



serrately punctured. 842 APIONIDES. 



cc. Beak cylindrical, feebly tapering from the base; striae with coarse, 



quadrate, not serrate punctures. 843. VARIOLATUS. 



bl). Reddish-brown; thorax sparsely punctured; elytral striae broad, not 



deep, punctures coarse, not serrate. 844. MINOR. 



act. Body pubescent; beak three-fourths as long as thorax. 845. SPADIX. 



842 (9037). PHLCEOPHAGUS APIONIDES Horn, 1873, 443. 



Elongate-oval. Black, moderately shining. Beak half the length of 

 thorax, febly curved, cylindrical, finely punctate. Head almost smooth. 

 Thorax subcylindrical, very little longer than wide, sides feebly curved; 

 disc convex, coarsely and closely punctate. Elytra at base one-third 

 "broader than thorax; humeri prominent; sides straight and parallel for 

 two-thirds their length, apex slightly prolonged and obtusely rounded; 

 striae as given in key; intervals narrower than striae, convex, slightly ir- 

 regular on their summits. Under surface coarsely and densely punctured. 

 Length 3 mm. 



Marquette, Mich., May 7. Ranges from New England and 

 Canada to Michigan, south to District of Columbia. Occurs on 

 wild cherry and ash, (Beutenmuller) ; on dead twigs, (Ulke). 



843 ( ). PHLCEOPHAGUS VARIOLATUS Dury, Journ. Gin. Soc. Nat. Hist., 

 1916, 14. 



Elongate, subcylindrical. Piceous, shining, legs and antennas paler. 

 Beak cylindrical, distinctly tapering, finely and sparsely punctate. Head 

 finely punctured ; thorax longer than wide, sides slightly curved, disc deeply, 

 coarsely and closely punctate and with a narrow smooth median line. 

 Elytra about twice as long as thorax, striae with coarse, quadrate punc- 

 tures; intervals as wide as striae, each with a row of very fine punctures. 

 Beneath with sparse, coarse variolate punctures. Length 2.5 mm. 



