The Biological Caterpillar & Webworm Control is a professional-grade insecticide designed to target caterpillars and webworms while remaining safe for beneficial insects, birds, and earthworms. It uses Bacillus thuringiensis kurstaki to provide effective, targeted control for Lepidoptera larvae in fruits, vegetables, ornamentals, and trees. With its low environmental impact and proven effectiveness, the liquid concentrate formula is ideal for safe and reliable caterpillar management.