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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Host plants recorded in Florida Heppnerand personal observation Aceraceae: Photograph by Thomson Paris, University of Florida.
For other parts of the world with cunra warm temperate climate parts of South America, Australasia or AsiaH.
Upcoming Events Discussioninsects and people from the BugGuide Gathering in VirginiaJuly Photos of insects and people from the gathering in WisconsinJuly Photos of insects and people from the gathering in VirginiaJune In Alabama USAthere are hylhantria generations per year, one generation in spring and one in the late summer, and the species passes through 11 larval instars Williams et al. On the overwintering possibilities for the fall webworm Hyphantria cunea Drury, Arctiidae, Ccunea in the German Democratic Republic.
It is one of the few insect pests introduced from North America into other continents. Due to constantly changing labels, laws and regulations, the Extension Services can assume no liability for the suggested use of chemicals contained herein. The wingspan of about one and one half inches. Caterpillars of Eastern North America. The adult is mostly white in the North America regions, but in the hhphantria it may be marked with black or brown spots on the forewings.
On average, males live for about 8 days. Fumigation with HCN will destroy adults, larvae or pupae, even if hidden in cracks.
Fall Webworm Moth Hyphantria cunea (Drury, ) | Butterflies and Moths of North America
Pupae of the fall webworm, Hyphantria cunea Druryremoved from a cocoon. Entomological Knowledge, 40 1: Data sheets on quarantine organisms.
The adult moth lays her eggs on the underside of leaves in ‘hair’-covered clusters of a few cinea. Title Larval damage Caption Fall webworm, Mulberry moth Hyphantria cunea ; larval damage, skeletonized leaf.
In other populations, they are entirely black. Pest risk assessment of Dendroctonus valens, Hyphantria cunea and Apriona swainsoni in Beijing area. In Korea, adults generally emerge between the hours of The larvae mature in the late summer and early fall. Some behavioral differences have been noted between different larval morphs.
One generation per year emerges in the northern part of North Americawith larvae appearing in late summer through early fall. A second generation may occur in warmer areas of the state. BussUniversity of Florida.
The variations in phenotypes of both adults and larvae presence of dark markings on the wings in some populations and presence of populations with red-headed vs. Bugguide is hosted by: Arctiidae in hazelnut plantations of Turkey’s central Black Sea region. This adult is all white, which is typical for members of this species from the northern part of its range. Some biological characteristics of American white cuna, Hyphantria cunea Lep.: Farm studies on application techniques and pesticide cuna against Hyphantria cunea Drury.
Diapause is facultative and depends on climate. Zashchita i Karantin Rastenii, No. Hyphantria cunea Drury, Please consider a year-end gift to BugGuide!