Natural Guard Spinosad Bagworm, Tent Caterpillar and Chewing Insect Control RTS comes in a Ready-to-Spray hose-end bottle. Intended for control of foliage feeding worms (caterpillars), thrips, and other listed insects. Can be used on fruits, vegetables, citrus, lawns and ornamentals. Natural Guard Spinosad does not significantly impact predatory beneficial insects, predatory mites, and spiders while controlling target pests. Susceptible pests may be observed on plants up to several hours after treatment, but will have ceased active feeding before being killed. Natural Guard Spinosad is classified by the USDA National Organic Standards Board as an organic substance. One quart treats up to 5,300 sq ft.