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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Basswood/Linden > Holes in trunk

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Basswood/Linden > Trunk/Branches > Holes in trunk

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  • Image: Linden borer 1

Linden borer
Saperda vestita

  • Round exit holes ¼ inch wide in trunk
  • Thinning of the canopy
  • Lower branches, lower trunk and surface roots are attacked resulting in limbs in canopy dying; eventually the entire tree is killed after high infestation
  • Adults up to ¾ to 7/8 inch long, longhorns, black body covered by dense olive-yellow hairs; larvae are legless, cylindrical and 7/8 to 1 inch long
  • Littleleaf lindens are preferred hosts
  • More information on Linden borer

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