72 



INSkcT LIFE. 



similar in form, and are also very long and slender; 



the insects walk slowly. This family includes the 



well-known walking sticks (Fig. 50). 



Family ACRIDID^ (A-crid'- 

 i-dae). — There are three fami- 

 lies of this order in which 

 the hind legs are very much 



Fig. 51. — A locust. 



stouter or very much longer, 

 or both stouter and longer, 

 than the other pairs, being 

 fitted for jumping. This is 

 the iirst of these three fami- 

 lies. In this family the an- 

 tennae are shorter than the 



Fig. 52. — ^A locust. 



body. The ovipositor is 

 short and composed of four 

 ^ separate plates. The tarsi 

 are three-jointed. The mem- 

 bers of the family are known 

 as locusts or short-horned grasshoppers (Figs. 5 1 and 

 52). 



Family Locustid^ (Lo-cus'ti-dae). — This is the 

 second of the three families of jumping Orthoptera. 



Fig. so. — ^A walking-stick. 



