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Distinguish Fruit Damage

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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
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
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Agriculture and Natural Resources, University of California

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