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Integrated Pest Management · Agriculture and Natural Resources

University of California

Lawn caterpillars

Fiery skipper

Fiery skipper.

Lawn moth

Lawn moths.



Caterpillars that may cause damage to lawns in California include skippers, cutworms, armyworms and webworms. Typical damage is yellowing or browning of the turf. Be sure you have positively determined that caterpillars are the cause before deciding to treat because many other factors can cause similar symptoms. Low numbers of caterpillars will not cause significant damage.

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more information

See the UC Guide to Healthy Lawns for more information about how to take care of your lawn and diagnose lawn pest problems.