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UC IPM Home > Homes, Gardens, Landscapes, and Turf > Trees and Shrubs > Invertebrates

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How to Manage Pests

Pests in Gardens and Landscapes

Pest identification and confirmation:
Common foliage-feeding caterpillars

How to distinguish insect larvae

California oakworm
California oakworm
Phryganidia californica

Feeds on oaks.

California oakworm
Western tussock moth
Orgyia vetusta

Feeds on most species of evergreen or deciduous trees.

California oakworm
Gypsy moth
Lymantria dispar*

Feeds on many species of deciduous trees.

California oakworm
Western tent caterpillar
Malacosoma californicum

Feeds on deciduous trees and shrubs.

California oakworm
Omnivorous looper
Sabulodes aegrotata

Pest of many species.

California oakworm
Fruittree leafroller
Archips argyrospila

Pest of many species.

California oakworm
Redhumped caterpillar
Schizura concinna

Pest of many tree species.

California oakworm
Fall webworm
Hyphantria cunea

Pest of many species.

*In the western United States, the gypsy moth is a target of eradication efforts. Report suspected moths to the county Department of Agriculture, which will take action to prevent this pest from becoming established.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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For noncommercial purposes only, any Web site may link directly to this page. FOR ALL OTHER USES or more information, read Legal Notices. Unfortunately, we cannot provide individual solutions to specific pest problems. See How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/GARDEN/PLANTS/INVERT/commonfoliagefeedcaterplr.html revised: March 5, 2009. Contact webmaster.