THE CANKER WORM. 



Here they remain until the leaves start in the spring, when the 

 worms hatch out and feed upon the leaves, and cluster in the 

 forks of the branches, as shown in the figure. 



Remedy. — The larvse may be found at home in their nests early 

 in the morning, during wet weather, and in the middle of hot. 



Fig. 37. 

 sunny days; when they may be readily removed by drawing the 

 web around them and crushing it Avith the foot. In the winter, 

 the clusters of eggs may be found by passing under the tree and 

 looking up against the sky ; when they may be removed by cutting 

 off the twigs w4th the pruning liook. 



The Canker-worm (Anisoptery vernata). — Fig. 38 — a male, h 

 female. This, in certain sections, is undoubtedly the greatest 



Vli. 38. 



pest the Apple grower has to contend with; yet, knowing its 

 habits, if prompt application of well-known remedies are made, 

 it may be easily and cheaply prevented from doing harm. 



The female, which has no wings, comes out of the ground 

 during warm weather, when there is no frost in the ground, from 

 December to May, in our latitude, and lays its eggs in clusters 

 upon the bark of the trunk and branches. As soon as the leaves 

 begin to unfold, the eggs hatch and the larvae feeds upon the 

 foliage, eating all but the mklrifs, until the trees appear as if fire 

 had run through them. The injury thus caused is such that often 

 after a few years the trees gradually die. 



Remedy. — Taking advantage of the habits of the female, which 



