Will vinegar kill webworms

Yes, vinegar kills ground-dwelling larvae known as sod webworms even though no, it does not do so for tree-dwelling webworms known as tent caterpillars. Sod webworms also may be controlled by such home remedies as insecticidal soaps and soapy water. Organic and non-organic insecticides generally require two or three applications in order to make sure that eggs and hatchlings are eliminated.