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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In Russia, hatching of eggs occurs mainly during the morning between the hours Introduction and catalog, Part 1. Use of life table to evaluate control of the fall webworm by the parasitoid Chouioia cunea Hymenoptera: However, none of them are known hyphatnria have become established Greathead, ; Clausen,and subsequent biological control attemps have focused on the the use of Bacillus thuringiensis sprays.

Journal of Forestry Research.

Fall webworm

Biological Control There has been much research on biological control. For instance, larvae of the red-headed morph stay inside the tent throughout the larval stage, while the black-headed morph leaves the tent in its fifth instar. Please consider a year-end gift to BugGuide!

Biology of Hyphantria cunea Drury Lepidoptera: Fall webworms overwinter in the pupal stage. Study on bionomics of Hyphantria cunea in Qinhuangdao. Journal of Integrated Pest Management. Entomological Knowledge, 40 1: A World List Lepidoptera: Fall webworm, Mulberry moth Hyphantria cunea ; larval damage, skeletonized leaf.


Fall Webworm

The fall webworm, Hyphantria cunea Druryis a pest of a number of ornamental trees and shrubs as well as of several agricultural crops. Diospyros kaki, Diospyros virginiana Ericaceae: Distribution Maps Top of page You can pan and zoom the map. For example, in Japan, DNA barcoding studies have shown that two species might be occurring there sympatrically Takeda Distribution Top of page H. Phytosanitary Measures Plants, plant products, accompanying packing materials and vehicles from countries where H.

The larvae feed in huge nests and are able to completely defoliate trees and shrubs. Amelanchier canadensis ; Crataegus spp. European and Mediterranean Plant Protection Organization. Journal of Insect Physiology. On its home territory in USA, it is conspicuous, mainly on wild trees, but seldom of economic importance Johnson and Lyon, By using this site, you agree to the Terms of Use and Privacy Policy.


Moth Photographers Group – Hyphantria cunea –

Canadian Entomologist, 8: Dedicated naturalists volunteer their time and resources here to provide this service. Cercis canadensis ; Gleditsia triacanthos ; Gymnocladus dioica ; Robinia pseudo-acacia ; Trifolium spp. Light dynamics of economically important Lepidoptera in the Hyphabtria area during and a forecast for Fall webworm, Mulberry moth Hyphantria cunea ; larvae on skeletonized leaf.


Fourth middle and fifth bottom instar larvae of the fall webworm, Hyphantria cunea Drury. Except in the case of ornamental trees, control is seldom necessary because the damage is generally of aesthetic rather than economic importance. Once accumulated temperatures above this level exceed degree days, larvae hatch and accurate forecasts can be made to within huphantria. Color of the caterpillars is pale but highly variable, yellow to brown, sometimes greenish.

The underwings will have less marking than the forewings, and the abdomen often has a sprinkling of brown hairs. This page was last modified Influence of the trophic factor on the development of hairy caterpillars of the fall webworm Hyphantria cunea Drury.

It now also inhabits parts of China and North Korea, again due to accidental cunra, and it is found in Hy;hantria. Some biological characteristics of American white webworm, Hyphantria cunea Lep.: Freshly molted fifth instar larvae of the fall webworm, Hyphantria cunea Drury.

The egg mass of Hyphantria cunea is almost iridescent green in color.