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Summit's Biological Caterpillar and Webworm Control is an Easy-to-Use Ready to spray Concentrate. The active ingredient is Bacillus thuringiensis subsp. kurstaki (BTK), a species specific biological larvicide that kills only leaf eating caterpillar pests (Lepidoptera).

  • Biological control for destructive caterpillar pests
  • Will not harm birds, earthworms, or beneficial insects such as honeybees and ladybugs OMRI listed and approved for use in organic gardening
  • May be used on edible plants, fruits, and vegetables up to day of harvest
  • Same active ingredient as "Dipel" and "Thuricide"


B.T. Caterpillar & Webworm Control

Excluding Sales Tax |
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