SUBFAMILY IV. I'TEROCOLINMi:. 65 



only the pygidium but two additional 

 dorsal segments, all three of which are 

 corneous and densely punctured. They 

 differ also in having both front and mid- 

 dle coxte small, rounded and widely sep- 

 arated. 



I. PTEROCOLUS Schun., 182(5. 

 (Or., "wing" + "truncate.") 



G4 (8223). PTEROCOLUS OVATUS Fab., 1801, 426. 



Short, rounded, very robust. Bright indigo 

 blue; antennae, beak and legs darker. Beak 

 Fig. 35, X 12. (Original.) much shorte r than thorax, striate, finely punc- 

 tate. Thorax one-half wider than long, sides feebly converging from base to 

 apex, disc finely and densely marked with elongate oval punctures. 

 Elytra subdepressed and sculptured with wide, shallow striae which are 

 coarsely and irregularly punctate. Length 2.8 3.2 mm. 



Lake, Starke and Marshall counties, Indiana, scarce; proba- 

 bly throughout the State ; June 11 30. Bear Swam]) and Lake- 

 hurst, N. J. ; June 16 July 27. Yaphank, X. Y., May 28, on 

 scrub oak. Stoneham, Mass., on new sprouts of oak. Dunedin, 

 Eustis, Sanford and Ormond, Fla., frequent; March 19 April 11. 

 Ranges from New England to Iowa and Missouri, south to 

 Florida. Recorded as occurring on oak, plum, peach and wild 

 grape. 



Subfamily V. APIONIN/E. 



Small pear-shaped Rhynchophora having the mentum linear, 

 much longer than wide, inserted upon a short gular peduncle; 

 mandibles 3-toothed, the middle tooth curved, acute, forming the 

 apex ; antenna? straight, not elbowed, inserted in fovea? at the 

 sides of beak, 11-jointed, joints 1 and 2 stouter than the others, 

 the first longer than second, 9 11 broader and longer, forming 

 an oval, pubescent pointed club; eyes rounded or elliptical, con- 

 vex; thorax truncate in front, subsinuate behind, usually gradu- 

 ally narrowed from base to tip; elytra usually deeply striate, 

 inner wings large; prosternum very short, its sutures distinct; 

 mesosternum small, narrow between the coxa*; metasternum 

 slightly longer than the first ventral; first and second ventral 

 segments large, closely united, third and fourth very short; front 

 coxre conical, prominent, contiguous, middle ones round, nar- 

 rowly separated, hind ones small, transverse, widely sepa- 



