Caterpillars & Moths

Caterpillars, Worm Pests and Moth Control

Caterpillars are the larvae of moths or butterflies, members of the Lepidoptera order of insects. There are over 110,000 identified species. Some are called loopers or have worm in their names; most have their first name as the host plant or what structure they build (i.e., cabbage loopers, tomato hornworm and tent caterpillars). Perhaps the most devastating pest of garden crops, their cutting mouthparts devour many times their weight as they outgrow their bodies, molting five or six times before they pupate.

Monitor for Adult Moths: Use specific pheromone lures and traps; for instance, Codling Moth Trap, Gypsy Moth Trap or Beet Armyworm lure and trap. This will allow you to know you will have a problem with eggs and caterpillars shortly.

Caterpillar Egg Control - Use the following beneficial insects: Green Lacewing, Trichogramma Moth Egg Parasites and Ladybugs.

Caterpillar Pests - Larval Control: Use products from the following list or browse this entire category for more products:

  • Foliar applications of the beneficial nematode Steinernema feltiae (NemAttack Sf) are very effective against caterpillars. Be sure to apply in the evening or very early morning to avoid damaging UV exposure.
  • For Corn Earworm: Tassel applications of either nematodes or the above products are recommended.

Click on the caterpillar control products below for more info and ordering.

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