A SAWFLY INJURIOUS TO YOUNG PINES. 
WILLIAM MiIppreton, 
Scientific Assistant, Forest Insect Investigations. 
The larva, or false-caterpillar, of an insect known as Leconte’s 
sawfly* is a serious enemy of pine in nurseries, parks, and reforest- 
ing areas in the eastern United States. This insect shows a decided 
Fig. 1.—Young silver pine in nursery, completely defoliated by larve of Leconte’s sawily. 
preference for young trees and has demonstrated its ability to leave 
its local host and attack other species of pines. The effects of 
defoliation on young pines (figs. 1,2), especially before late summer, 
1 Neodiprion lecontei Fitch; order Hymenoptera, suborder Chalastogastra, family Ten- 
thredinidae, subfamily Diprioninae. 
3 
75613°—22 
