238 MISC. PUBLICATION 657, U. S. DEPT. OF AGRICULTURE 
mine the inner bark, causing it to dry and peel off. These borers may 
be controlled by methods outlined on page 38. 
The banded hickory borer (Chion cinctus (Drury) ), is an elon- 
gate, cylindrical beetle from 16 to 33 mm. in length, brownish, but 
clothed with grayish pubescence. The thorax is acutely spined at the 
sides, and the elytra bear crescent-shaped yellowish bars near the bases 
and spines at the tips. The larva (fig. 50, 4; 51, B) is an elongate, 
slender, yellowish borer having the head wider than long, the mandible 
rounded at the tip, one pair of ocelli, and the under margin of the head 
roughened. The posterior area of the pronotum is white and finely 
\ ~~ ™ 
Box 
Figure 50.—Cerambyecid larvae: A, Chion cinctus: B, Megacyllene robiniae; C, 
Prionus laticollis (Drury) ; D, Oncideres cingulatus (Say) ; H, Goes tigrinus. 
