INSECTA 



85 



its surroundings more complete. When at rest the body is 

 held parallel with a blade of grass so as to be easily over- 

 looked. Often a grasshopper that has been sitting in some 

 careless attitude may be seen to change its position when 

 danger approaches. The body is whirled around so as to 

 lie along a grass blade in a crouching position ready, set 

 for a jump at a moment's notice. Our red-legged locust 



FIG. 42. The activities of grasshoppers. A, being captured by a robber 

 fly; B, flying; C, dead with fungus disease; D, caught by a spider; E, laying eggs 

 F, captured by a digger wasp;G, H, 7, nymphs. 



has a touch of yellow and brown so that it may go unseen 

 among the dead grass. When caught napping in the green 

 foliage, it at once falls head over heels to the ground where 

 it is more likely to escape notice. Some relatives of 'the 

 grasshopper show extreme cases of protective resemblance. 

 Certain katydids, and " leaf -insects" have in their bodies 

 reproduced the color and form of the leaves they frequent, 



