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Damage (Fruit tree tortrix moth)
- Larvae are leaf-rollers but damage to foliage is unimportant.
- Damage to fruits occurs at different times during fruit development:
- Overwintered larval feeding cavities in the receptacle of flowers and young fruitlets later heal to form corky scars characteristic of early caterpillar feeding on mature fruits.
- Young caterpillars make small, shallow holes in the skin of fruits in July and August.
- Larger caterpillars graze shallow irregular patches in the skin, especially at the point where fruits are in contact.