Plum Curculio on Peach

Native weevil that lays eggs in young stone and pome fruit, causing characteristic crescent-shaped scars.

Plum Curculio on peach

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Signs on peach

Crescent-shaped scars on young fruit
Premature fruit drop
Larvae visible in fallen fruit

Controls

Tarp-and-jar shaking at petal fall
Surround (kaolin) sprays
Prompt removal of fallen fruit
Targeted sprays at petal fall