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Summit Biological Caterpillar & Webworm Control

Summit’s Biological Caterpillar and Webworm Control is an Easy-to-Mix Liquid 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”
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Approved for Organic Gardening and OMRI Listed. Summit® Biological Caterpillar & Webworm Control is an Easy-to-Mix Liquid concentrate.

Bacillus thuringiensis subsp. kurstaki BTK, a species specific biological larvicide that has no effect on birds, earthworms, or beneficial insects, such as honeybees and ladybugs.

  • Contains no synthetic toxins.
  • 100% natural alternative to synthetic broad-use insecticides
  • Webworms and caterpillars eat treated foliage, then immediately stop feeding, until they die of starvation. Plants may be retreated weekly.
  • May be used on edible plants, fruits, and vegetables up to the day of harvest.
  • Labeled For Organic Gardening.
  • OMRI Listed®
UPC Weight(lbs) Weight(oz) SKU Model # Pricing
32