Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous Trees > Oak > Webbing on leaves
Oak > Leaves > Webbing on leaves
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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
- Damage occurs from late July through September
- More information on Fall webworm
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Oak webworm
Archips fervidanus
- Larvae eat leaves and can defoliate branches
- Hide inside rolled leaves which fill with frass and leaf pieces
- Up to 1 inch long; black head and yellowish to dark green body
- Black and red oak are preferred hosts
