How do you get rid of walnut caterpillars?

To get rid of walnut caterpillars, manually remove them from the affected trees and dispose of them in a bucket of soapy water. You can also use insecticidal soaps or neem oil, which are effective and less harmful to beneficial insects. Additionally, introducing natural predators like birds can help control the caterpillar population. Regularly monitoring and maintaining tree health can also reduce infestations.