INSECTS IXJURIOUS TO THE GRAIXS AND GRASSES. 60 



Considerably larger than the preceding species are the 

 Differential Locust {Melanoplus dijfereniialis Thos.) and 

 the Two-striped Locust [Melanophis Mvittatus Scud.), of 

 which the former is peculiar to the central States of the 

 Mississippi Valley, Texas, New Mexico, and California, 



Fig. 46. — A Swarm of Grasshoppers Attacking a Wheat-field. (After Riley.) 

 while the latter has a more extended range from Maine to 

 Utah and as far south as Carolina and Texas. These two 

 differ from the smaller species in laying only one or two 

 masses of eggs, and the eggs of differ en fialis have often 

 been found placed under the liark of logs, but otherwise 

 their habits are very similar. The Two-striped Locust is 



