16 Farmers’ Bulletin 1270. 
Fig. 21.—Heavy silken web spun by apple 
leaf-roller larva on grapevine and arbor. Fic. 23.—Leaf-roller injuries 
to apples often callus over 
as corky depressions. 
Fic. 22.Fruit eaten by apple leaf-roller larvae. Iie, 24.—KEgg mass of apple 
leaf-roller. 
