160 ARTICULATES: INSECTS. 



and toothed jaws. They run rapidly, and fly when 

 approached, but soon alight again. They devour great 

 numbers of other insects for food, thus benefiting the 

 farmer and gardener. The larvae, -or grubs, are soft, 

 white, and are furnished with jaws like the adults ; 

 and, like the latter, feed on other insects, which they 

 secure by digging holes in the ground, in which they 

 remain, the head just closing the opening of the hole ; 

 and when some insect comes near enough, they seize 

 it, draw it into the hole, and devour it. 



GROUND BEETLES, OR CARABIDS. 



These also prey upon other insects, and the kinds 

 are very numerous. They have the jaws very long 

 and hooked, and very long legs. Some of them have 

 no under wings. One kind is called the Caterpillar 



Fig. 295. Caterpillar Hunter. 



Hunter, because it destroys so many larvae of other in- 

 sects. It eats great numbers of the canker-worm, the 

 most destructive insect which has appeared upon our 

 beautiful fruit and shade trees, and which is described 



