How to Manage Pests

Pests in Gardens and Landscapes

Omnivorous leafroller—Platynota stultana

Omnivorous leafroller caterpillars feed within nests they build by tying leaves or leaves and fruit together with silk webbing. Mature larvae ae green to cream colored but so translucent that you can see the main blood vessel running down their backs. Their head and the thoracic shield just below the head is brown.

Damage

Omnivorous leafrollers feed on a wide variety of vegetables, fruit trees and ornamental plants. When they feed between leaves and fruit they can cause substantial fruit scarring. Larvae do not burrow into fruit. Damage to leaves is not usually severe enough to warrant control.

Solutions

Clean up gardens by removing host weeds and trash. Hand removal of webbed leaves and larvae can help control caterpillars in vegetables. General predators and parasites including a tachinid fly Erynnia tortricis and Trichogramma wasps may attack larvae or eggs. Treatment should not be required in vegetable gardens.

For more information on leafrollers, see the Leafrollers on Ornamental and Fruit Trees Pest Note.

Omnivorous larva
Omnivorous leafroller larva
Leafroller damage
Leafroller damage to leaf
Leafroller fruit damage
Feeding damage on plum

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2014 The Regents of the University of California. All rights reserved.

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 our Home page, or in the U.S., contact your local Cooperative Extension office for assistance.

Agriculture and Natural Resources, University of California

Accessibility   /PMG/GARDEN/VEGES/PESTS/omnileafroller.html revised: January 8, 2014. Contact webmaster.