Control Grasshoppers With Synthetic insecticides
Pyrethroid Insecticides
An effective method for killing Grasshoppers is to spray them with a pyrethroid insecticides such as resmethrin or permethrin. These products can be found in many independent garden centers, and are labeled by the EPA for controlling Grasshoppers. There is detailed information about each product in the Synthetic Insecticides in Yardener’s Tool Shed.