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.
|Published (Last):||14 May 2004|
|PDF File Size:||20.87 Mb|
|ePub File Size:||13.24 Mb|
|Price:||Free* [*Free Regsitration Required]|
Amelanchier canadensis ; Crataegus spp. Caterpillars of eastern forests. Mature larvae are hairy and either have a lime green body with black spots or can have darker color, especially in the later instars.
The adult is mostly white in the North America regions, but in the south it may be marked with black or brown spots on the forewings. Informatore Fitopatologico, 36 2: The top image is the skin left behind by a molted fourth instar caterpillar. Pupation occurs in thin cocoons. Detection and Inspection Top of page The sex pheromone obtained from female H.
Title Larval damage Caption Fall webworm, Mulberry moth Hyphantria cunea ; larval damage, skeletonized leaf. Numerous tents hyphanrria by larvae from separate egg clusters of the fall webworm, Hyphantria cunea Drury. Don’t need the entire report? Second instar larvae of the fall webworm, Hyphantria cunea Druryfeeding. Researches on techniques for biocontrol of the fall webworm, Hyphantria cuneaa severe invasive insect pest to China.
Hyphantria cunea – Bugwoodwiki
The most used and researched antagonistic organisms are subspecies of Bacillus thuringiensis. Activity and nutrition of the fall webworm Hyphantria cunea Drury, Lepidoptera: Fumigation with HCN will destroy adults, larvae or pupae, even if hidden in cracks.
Wikispecies has information related to Hyphantria cunea.
Even severe infestations have little impact on trees because the damage occurs near the end of the annual growing season.
Webs are progressively enlarged and much messier looking than those of tent caterpillars which occur only in spring and have shorter hairs and very little yellow on their bodies hyphantroa also, webs from the fall webworm are concentrated to the tips of the branches, whereas the tent caterpillar webs are largely found in the unions. Adults emerge as early as March in the south, but do not fly until late spring or early summer in northern areas. Journal of Integrated Pest Management.
EPPO Bulletin, 10 1. Adult female fall webworm, Hyphantria cunea Drurylaying eggs. The Lepidoptera of Florida: Journal of Entomological Society of Iran, 26 1: Chinese Bulletin of Entomology Some biological characteristics of American white webworm, Hyphantria cunea Lep.: The black-headed larvae are hyphxntria to be more prevalent in the northern climes, while the red-headed larvae are thought to be dominant in the southern climes.
Turkmenistan from toUzbekistan Fergana valley from toKyrgyzstanand southeastern Kazakhstan. Diurnal rhythm in the hatching of larvae of the fall web worm moth Hyphantria cunea and its regulation by environmental factors. Defence strategy against the American Hyphantria.
For example, in Japan, DNA barcoding studies have shown that two species might be occurring there sympatrically Takeda In the southern part of its range, the moth is white with dark wing spots while in the northern part of its range it is nearly always pure white Hyphqntria and was once thought to be a separate species from the southern populations. jyphantria
Fall webworm – Wikipedia
Fall webworm is highly susceptible to many insecticides, particularly pyrethroids. Insects that feed on Trees and Shrubs 2nd edition. Caterpillars are about one inch long when cinea. Prevention and Control Top of page Chemical Control Both mechanical destroying nests and chemical means are used for control.
Distribution Top of page H. They wander from the plant and search for a protected location to pupate.
In other projects Wikimedia Commons Wikispecies. In late spring and early summer, adults emerge and egg laying takes place. Journal of Experimental Biology. Generate a print friendly version containing only the sections you need. The variations in phenotypes of hyphangria adults and larvae presence of dark markings on the wings in some populations and presence of populations with red-headed vs.
Contributors own the copyright to and are solely responsible for contributed content. North American Moth Photographers Group.
Natural Enemies of Insects Kunchong Tiandi7 2: Let us hhphantria to know the fall webworm. Journal of the Lepidopterists’ Society. The two races—one more common in the north, the other in the south—differ in head capsule coloration. The fall webworm was introduced into Yugoslavia in the s, and since then has invaded most of Europe. Photograph by Lyle J.
Wikimedia Commons has media related to Hyphantria cunea. Description and Life Cycle Back to Top The adult fall webworm moth is bright white, with a hairy body. Fall webworm Hyphantria cunea hyphwntria Rapid defoliation of forest and fruit trees occurs. Larva are most often noticed when they reach final instar and wander out of their home trees to find a place to pupate.