Fall Webworms: Native Defoliators, Not Bagworms

Physical: Prune tented tips, destroy
Biological: Open tents for predators (birds, wasps)
Chemical: BT (young), Sevin/Orthene (large)—spray penetration difficult
Do NOT burn: Fire hazard, tree damage

Large white fibrous nests on branch ends in late summer = fall webworms, not bagworms. Cyclical native caterpillars—unsightly but rarely harmful.

Identification

Your neighbor's tree is the source. Early tent removal on your tree prevents establishment. Most years, nothing needed.

Trees: Maple Tree Cauliflower Fungus: Conk Indicates Internal Decay; Fungus Gnats in Fig Tree Soil: Dry the Surface to Eliminate Them; White Pine Sap and Borers: Hurricane Risk Assessment; Almond Tree Leaves Skeletonized: Japanese Beetles; Large Leafless Tree in Summer: Dead Tree Removal; Borer Damage on Mature Silver Maple; Two Trees with Distinct Problems; Managing Carpenter Ants in Oak Trees: What You Need to Know; Managing Mimosa Webworms in Honeylocust; Oak with Old Pruning Wound and Insects

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