Hyphantria cunea Drury. The fall webworm is a widely distributed native pest of shade trees and shrubs and appears from late summer through early fall. It feeds . In Europe, where H. cunea has been introduced, larvae are rapid defoliators of forest and fruit tree species. In eastern Europe, mulberry and the. Common Names. fall webworm. Compiled by Whitney Cranshaw, Colorado State University: Hyphantria cunea (Drury) Lepidoptera: Arctiidae.

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Mexican for the biological control of the fall webworm, Hyphantria cunea Lepidoptera: The female will try to protect the eggs after oviposition; the female uses her abdomen hairs to cover her newly laid eggs, which provides protection to the eggs. Impact Top of page In Europe, where H. One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are using. In the more northerly countries of Europe, the temperature requirements of the species for overwintering are not available Braasch, ; the insect could not reach the stage necessary for diapause, although a mass outbreak might occur in the year of introduction of larvae from outside.

Control of Hyphantria cunea and repercussions on cultures of Bombyx mori. Mass migrations due to exhausted food plants or the search for new sites often end in urban areas where the pest invades wood piles, houses, roads and vehicles which can transport it to new and uninfested areas Giovanni et al. Hyphantria cunea Drury Insecta: Journal of Insect Physiology.

Fall Webworm

EPPO, ; Yang et al. Accessed Aug 21, Differentiation in life cycle of sympatric populations of two forms of Hyphantria moth in central Missouri. Larvae can withstand up to 15 days starvation, although the resultant reproductive capacity of the adult will be adversely affected. The Lepidoptera of Florida: They occur together, but differ in hyphantriw markings of adults and larvae, and in food habits and biology Johnson and Lyon, Larvae construct a colonial web and feed together within it.


Contributed by Troy Bartlett on 16 February, – Fifth instar larvae of the fall webworm, Hyphantria cunea Drury.

The facility of the larvae to withstand starvation for up to 2 weeks means that they can easily be transported on vehicles to different areas and survive to initiate new infestations. BussUniversity of Florida. Mostly, the adults appear from May to August and deposit their eggs.

Journal of Entomological Science 8: Content is available for non-profit, educational use under our Copyright Agreement.

At maturity, the larvae may reach one inch in length. Adult Moth with a wingspan of mm; forewings are white or have black spots arranged in a number of rows; hindwings are also white with a small black spot on the leading part.

Fall webworm

Don’t need the entire report? Defence strategy against the American Hyphantria. Some biological characteristics of American white webworm, Hyphantria cunea Lep.: The information herein is supplied with the understanding that no discrimination is intended and that listing of commercial products, necessary to this guide, implies no endorsement by the authors or the Extension Hyphamtria of Nebraska, Colorado, Wyoming or Montana.

Heterodera rostochiensis; Hyphantria cunea; Leptinotarsa decemlineata, Quadraspidiotus perniciosus; Synchytrium endobioticum; Corynebacterium sepedonicum.

Fall webworm – Wikipedia

European and Mediterranean Plant Protection Organization, Larvae feed on foliage throughout their development, and secrete silk which they spin into small webs. Oxydendrum arboretum, Rhododendron spp.

Damage to persimmon tree caused by larval feeding of the fall webworm, Hyphantria cunea Drury. Photograph taken in Gainesville, Florida, from a reared larva. They are able to fly several kilometres. Fall webworm is attacked by a great many natural enemies including tachinid flies, parasitic wasps and various hunting wasps.

However, egg laying occurs over an extended period of several weeks with tents being initiated from late June through July. Relation of parasite attack to the colonial habit of Hyphantria cunea.

Moth Photographers Group – Hyphantria cunea –

The fall webworm, Hyphantria cunea Drury. Althaea rosea, Gossypium herbaceum, Hibiscus syriacus Magno1iaceae: Currently, the taxonomic status of Hyphantria cunea as a cuhea species remains intact.


Journal of the Kansas Entomological Society. Applied Entomology and Phytopathology, 70 2: Male fall webworms are typically only available daily for about 30—60 minutes to mate.

Canadian Entomologist, 4: The parasitoid Psychophagus omnivorus Pteromalidae is a very effective natural enemy which attacks pupae. Acta Entomologica Sinica, 46 3: Parasitoids attacking Hyphantria cunea include: Close-up of fifth instar larvae of the fall webworm, Hyphantria cunea Drury.

There are several components to the fall webworm gut, such as the foregut and the midgut. Contributors own the copyright to and are solely responsible for contributed cuna.

A wide range of tachinid fly species parasitize it Entomologica Fennica. Some behavioral differences have been noted between different larval morphs.

There are two forms, those with red heads and those with black heads. Food About species of hardwood trees have been recorded as larval hosts in the north, common hosts include alder, apple, ash, birch, Box-Elder Acer negundocherry, elm, mulberry, poplar, willow in the south, common hosts hyphantris ash, hickory, maple, mulberry, oak, pecan, poplar, redbud, sweetgum, walnut, willow; preferences for different host plant species appear to be regional and seasonal Life Cycle one generation per year in the north; up to four generations in the south; up to 1, eggs are laid in a mass on undersurface of leaf of host plant; female covers the eggs with white hairs from her abdomen; larvae molt up to eleven times through successive instars before leaving the web to pupate; overwinters as a pupa in silken cocoon under bark flaps; adults emerge in spring Remarks Larvae hyphzntria on foliage throughout their development, and secrete silk which they spin into small webs.

American white moth; blackheaded webworm; fall webworm; redheaded webworm Spanish: