
Fall webworm - Wikipedia
The fall webworm (Hyphantria cunea) is a moth in the family Erebidae known principally for its larval stage, which creates the characteristic webbed nests on the tree limbs of a wide variety of …
Fall Webworm | WSU Tree Fruit | Washington State University
The fall webworm is native to North America and is found throughout the United States, Canada and Mexico. It inflicts the most damage on shade trees, but can cause problems in apple and pear orchards.
Fall Webworm - Penn State Extension
Jun 19, 2023 · The fall webworm is a widely distributed native pest of shade trees and shrubs and appears from late summer through early fall. It feeds on almost 90 species of deciduous trees, …
Fall webworm - Missouri Botanical Garden
The fall webworm, Hyphantria cunea, is a general feeder on nearly all trees except conifers. While this native North American insect attacks over 100 different tree species, it tends to prefer mulberry, …
Fall webworm | Integrated Pest Management
Sep 17, 2025 · Native to North America, fall webworms feed on over 400 tree species in forests, yards, and fruit and nut orchards including pecan, hickory, walnut, persimmon, maple, sweet gum, river …
Webs in trees: The life and impact of fall webworms
Sep 12, 2025 · Fall webworm (Hyphantria cunea) 'nests' often start becoming noticeable in our landscapes during the late summer and early fall. The caterpillars will spin their communal webs on …
Fall Webworm: Insect & Disease Fact Sheets: Forest Health ... - Maine
The nests are produced by hairy caterpillars known as the fall webworm. The feeding of these insects may occasionally strip small or large trees of their leaves. By August and September the webs may …
Fall Webworm / Home and Landscape / UC Statewide IPM Program …
From July to September, fall webworm caterpillars eat leaves (except not the veins) and form silken tents on host trees. The caterpillars do not feed on fruit or nuts, but these may become sunburned …
Fall Webworm, Hyphantrea cunea – Wisconsin Horticulture
Fall webworm nest in birch tree. Fall webworm, Hyphantria cunea, is a common pest throughout most of the US and southern Canada. This moth belongs to the tiger moth group (Family Erebidae, subfamily …
Fall Webworm - Gardening Solutions
Fall webworms overwinter in crevices in trees or leaf litter, emerging as white moths that will lay eggs from May to August. These caterpillars are not picky eaters; they have been known to feed on 85 …