marked irregularly with brown and white scales. Mature larvae 
are yellowish-white, legless, and slightly longer than the adults. 
The pupae are creamy-white and about as long as the adults. 
Winter is spent in the adult stage in the litter. Adults emerge 
from March to May, depending on locality, and feed on the succu- 
lent growth of the terminal leaders of their host, usually on the . 
bark about 7 to 10 inches below the dormant buds. Eggs are de- 
posited in small punctures in the bark of the leader and hatch in | 
a week or 10 days. The young larvae bore downward side by side 
in a ring, feeding on the inner bark and outer wood. By late July 
F-482574, 482573, 482572 
FIGURE 75.—White-pine weevil, Pissodes strobi: A, adult; B, infested ) 
terminal of a young white pine; C, white pines deformed by weevil attack, 
210 
