86 



SPRAYING CROPS 



growth in June, when it is nearly half an inch long, of 

 a brown or greenish color, with a shining yellowish- 

 brown head. It pupates within the rolled leaf, and 

 about midsummer emerges as a moth. These moths 

 deposit eggs for a second brood, that feed upon the 

 leaves late in summer, changing to pupae early in 

 autumn ; and, passing the winter in that condition, 

 emerge as moths the following spring. 



strawberry Slug 



I, 2, pupa; 3, 3, fly; 4, 6, larvae; 7, cocoon; 8, antenna; 9, egg, magnified 

 (After Riley) 



Remedies — Mow the field soon after the crop is 

 gathered, and after leaving it a day or two to become 

 dry, burn it over. This destroys the leaf-rollers as well 

 as several other kinds of insects, and the spores of fun- 

 gous diseases. Scatter a little straw over the field 

 where the leaves are not thick enough to burn well. 

 The plants will not be damaged, but will soon send up 

 a new lot of leaves that will grow rapidly, and be free 

 from insect and fungus attack. If for any reason this 

 method is not desirable, the insects of the second 



