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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Apple > Holes or tunneling in fruit

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Apples > Fruit > Holes or tunneling in fruit

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  • Image: Codling moth 1
  • Image: Codling moth 2
  • Image: Codling moth 3

Codling moth
Cydia pomonella

  • Codling moth larvae often tunnel towards the apple cores and feed on the seeds before exiting the fruit
  • Crumbly golden-brown frass (excrement) may be found at the exit hole
  • Larva are large (up to ½" long), pinkish white with a brown head
  • More information on Codling moth
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  • Image: Fruitworms 1
  • Image: Fruitworms 2

(several species)

  • Larvae feed on fruit, making deep cavities into fruit
  • Larvae are large (¼" – ½"), and are light to dark green marked with yellowish or whitish longitudinal stripes
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  • Image: Apple Curculio 1
  • Image: Apple Curculio 2

Apple Curculio
Anthonomus quadrigibbus

  • Adult weevils makes small punctures by feeding and laying eggs in the apple, resulting in a round tan spot and lumpy/misshapen fruit
  • Adult weevil is reddish brown, ¼ inch long, with four bumps on their backs
  • Weevils are present in early spring

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