dill 
INSECT ENEMIES OF EASTERN FORESTS DVO 
rent season’s growth has fully developed, and that a decided prefer- 
ence is shown for the mature foliage, favors the chances for recovery 
of severely defoliated trees (figs. 148 and 149). 
Neodiprion dyarvi Roh. is a common species and sometimes is con- 
fused with WV. abietis and N. banksitanae Roh. The full-grown larva 
is about 34 inch long. The head and legs are black, the body is dull 
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FiGuRE 148.—Red pine defoliated by larvae of Neodiprion sertifer. 
