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. 



FIG. 103. 



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- 

 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 

 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 



FIG. 104. 



