Grasshoppers : a new look at an ancient enemy. (open access)

Grasshoppers : a new look at an ancient enemy.

Describes the damage grasshoppers cause to crops, how to identify different species, how they develop, and where and how they live. With this information as a background, the final section describes how to control them.
Date: May 1957
Creator: Parker, J. R. (John Robert), 1884-
System: The UNT Digital Library