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 hardwoods in the late summer and fall.
Fall Webworm - Penn State Extension
2023年6月19日 · 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 commonly attacking hickory, walnut, birch, cherry, and crabapple.
Fall Webworm: Insect & Disease Fact Sheets: Forest Health ... - Maine
By late July, large unsightly loosely constructed, silken nests may begin to appear on branches of roadside or woodland hardwoods and shrubs. The nests are produced by hairy caterpillars known as the fall webworm. The feeding of these insects may occasionally strip small or …
Adult fall webworms are white with some orange markings on the body and legs. The wings often have some black spots and an expanse of about 1 1/4 inches (3.2 cm) (fig. 1). Eggs are light green or yellow, globular, and laid in flat masses consisting of several hundred eggs.
Fall webworms: Should you manage them | Purdue Extension …
2020年9月10日 · Fall webworms are small, fuzzy pale-yellow caterpillars (figure 1) that build large, conspicuous white webs in trees in the late summer (figure 2). Their webs stretch over tree branches and grow over the course of the summer. When disturbed, the caterpillars will violently thrash back and forth in a bid to ward off predators. Fig1.
Fall Webworm - The Morton Arboretum
Common name: Fall webworm. Scientific name: Hyphantria cunea. Hosts: Approximately 120 species of deciduous trees are host to the fall webworm, including mulberry, maple, crabapples, birch, chokecherry, walnut, and willow. The fall webworm’s damage is more of a cosmetic problem to the tree than any serious health threat, since it occurs late ...
fall webworm - Hyphantria cunea (Drury) - Entomology and …
The fall webworm, Hyphantria cunea (Drury), is a pest of a number of ornamental trees and shrubs as well as of several agricultural crops. The larvae feed in huge nests and are able to completely defoliate trees and shrubs.
Fall Webworm - Home and Garden IPM from Cooperative Extension
The Fall Webworm (Hyphantria cunea), is a type of moth larva in the family Arctiidae which makes a communal webbed nest in the limbs of a wide variety of hardwood trees such as alder, apple, ash, cherry, willow, oak, birch, box elder (boxelder maple), elm, elderberry, hickory, mulberry, poplar, walnut and other deciduous species in the late ...
Fall Webworm - Center for Agriculture, Food, and the Environment
The fall webworm is a widely distributed native pest that ranges from Canada to Mexico. It is native to North America, but is now considered a worldwide pest that is invasive to some locations. It has spread throughout much of Europe and Asia.
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, walnut, hickory, elm, sweetgum, poplar, willow, …