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Plum

Distinguish Fruit Damage

Click on photos to enlarge
Damage caused by Tunneling into fruit Other signs of damage
Peach twig borer
Peach twig borer.
Shallow feeding holes Feeding site eventually browns and looks like a scab
Leafrollers: Obliquebanded, omnivorous
Leafrollers.
Shallow holes or grooves in the fruit surface, often near the stem Leaves webbed to the fruit
Codling moth
Frass on fruit
Tunnels deep into fruit Piles of frass on fruit surface

San Jose scale
San Jose scale damage.

San Jose scale (with live scale)
San Jose scale damage with live scale.

San Jose scale (with parasitized scale)
San Jose scale damage with parasitized scale.

No Crawlers settling on fruit may cause fruit spotting
Damage caused by disease
Damage caused by Other signs of damage
Ripe fruit rot
Discoloration due to brown rot.
Dark discoloration of fruit with grayish spores on surface.

Statewide IPM Program, Agriculture and Natural Resources, University of California
All contents copyright © 2006 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 How to manage pests, or in the U.S., contact your local Cooperative Extension office for assistance. /PMG/C611/m611hcharvstsmpl.html revised: April 5, 2006. Contact webmaster.