304 



PESTS OF ORCHARD AND SMALL FRUITS 



broods are found on blackberry or raspberry, rather than strawberry. 



On blackberry leaves the work is similar to that on strawberry leaves, 



but on raspberry 

 the larvae tend 

 rather to web up a 

 terminal cluster of 

 leaves. Hiberna- 

 tion takes place as 

 larva or pupa 

 witliin a folded 

 leaf. The adult 

 is a tiny brownish 



Fig. 459. 



Work of the Strawberry Leaf-roller. 

 Original. 



Fig. 460. — Larva of 

 the Strawberry 

 Leaf-roller. En- 

 larged and natural 

 size. Original. 



moth, expanding a 

 little less than half 

 an inch. 



Since the larvae 

 feed for a short 

 time exposed on 

 the upper surface 

 of the leaf before 

 drawing it together, an early application of Paris green or arsenate 

 of lead will check the pest. This application must be made early, 

 and usually must be repeated, because new leaves are being put out 



Fig. 46L — Adult of the Strawberry Leaf-roller. 

 Enlarged and natural size. Original. 



