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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Prunus > Holes in trunk or branches

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Prunus > Trunk/Branches > Holes in trunk or branches

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  • Image: Dogwood twig borer 1
  • Image: Dogwood twig borer 2
  • Image: Dogwood twig borer 3

Dogwood twig borer
Oberea tripunctata

  • Larvae tunnel inside branches, making holes in stem to push out frass and wood shavings
  • Leaves on random branches wilt and turn brown
  • Adults chew on the underside midrib of leaves causing the leaf to curl downward at tip
  • More information on Dogwood twig borer...
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  • Image: Dogwood twig borer 1
  • Image: Dogwood twig borer 2
  • Image: Dogwood twig borer 3

Peachtree borer
Synanthedon exitiosa

  • Swelling of lower trunk at larval feeding sites
  • Sap and frass exudes from holes
  • Larval tunneling girdles stem, potentially causing tree death in young trees
  • Common on Prunus x cistena
  • More information on Peachtree borer...

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