Safer's - BTK Caterpillar Insecticide Concentrate, 100 ml 

Safers® BTK Caterpillar Killer is a biological insecticide that controls caterpillars including the imported cabbageworm, tomato hornworm, tent caterpillars, gypsy moth, leafrollers and other listed insects.

Simply mix the concentrate with water and spray on vegetables, fruits, trees and ornamental plants. After ingesting the treated part of the leaf, the caterpillars stop feeding within hours and die within days. This 100 ml concentrate makes 33.3 L of solution.