ATTACKING THE LEAVES. 



107 



When mature, the larva enters the ground, where it forms 

 an oval, smooth cavity (see Fig. 102), within which it changes 



Fig. 101. 



Fig. 102. 



to a chrysalis of a deep mahogany-brown color, pointed at 

 the extremity. 



Within a few days the moth (Fig. 103) appears, which 

 measures, when its wings are expanded, about an inch and 

 three-quarters across. The 

 fore wings are of a grayish- ^^'^' l^^- 



brown color, marked with 

 brownish black ; the hind 

 wings are white and pearly, 

 shaded towards the margin 

 with pale brown. 



The Dark-sided Cut- 

 worm, Agrotis Cochranii Ri- 

 ley, is another of the climbing species. The caterpillar (a. Fig. 

 104) is a little over an inch in length, of a dingy ash-gray 



color above, much _ 



. Fig. 104. 



darker along the sides 



of the body. The 



chrysalis, which is 



formed under ground, 



is about seven-tenths 



of an inch long, of a 



yellowish-brown color, 



with darker brown markings. The moth is light gray, marked 



and shaded with brown. 



The Climbing Cut-worm, Agrotis scandens Riley. The larva 



of this insect is a very active climber, and does a great deal of 



