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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Butternut > Webbing on ends of branches

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Butternut > Trunk/Branches > Webbing on ends of branches

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  • Image: Fall webworm 1
  • Image: Fall webworm 2
  • Image: Fall webworm 3

Fall webworm
Hyphantria cunea

  • Produces silken webbing that covers the ends of branches
  • Chews entire sections of leaves, leaving major veins and can defoliate trees in high infestations
  • Yellowish or greenish with long, fine white hairs with two rows of black spots down its back; approx. 1 inch long at maturity
  • Feeding occurs from late July through September
  • More information on Fall webworm

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