Figure 7. — Normal shoot 

 of lodgepole pine on 

 which needles are free 

 of Magdalis damage. 



Figure 8. — Terminal sec- 

 tion of lodgepole pine 

 shoot showing undamaged 

 current-year foliage 

 and defoliation of the 

 year-old shoot. The 

 year-old growth shows 

 a general lack of nee.dles 

 (compared to abundant 

 foliage on the current 

 year's shoot) and short 

 needles remaining after 

 distal portions broke 

 off beyond feeding 

 punctures. 



9 



