What is the role of grasshoppers in the enviroment?

Question

and whats the genus of it?

Answer 1

In many places around the world, grasshoppers are eaten as a good source of protein. Some countries supposedly instruct military personnel to collect grasshoppers to eat as a food source.

Answer 2

grasshoppers are a key source of food for many avian species including some small mamals such as the grasshopper mouse.  It is calld so because the grasshopper is its sole food source.