Common NameFall WebwormSeasonalityJune.IdentificationHyphantrea cunea is very similar to Spilosoma congrua, which is usually immaculate or nearly immaculate. Spilosoma congrua has a more robust body and the forewing apex is less pointed.
Scientific NameHyphantria cuneaCommon Name
Fall Webworm
Habitat
Shrubby areas in the eastern and southern prairie ecoregion of Alberta.
Seasonality
June.
IdentificationHyphantrea cunea is very similar to Spilosoma congrua, which is usually immaculate or nearly immaculate. Spilosoma congrua has a more robust body and the forewing apex is less pointed.
Diet Info
An extremely polyphagous species, recorded primarily from trees and shrubs.
Range
Occurs across most of the U.S. and southern Canada, although absent from central and western Alberta and south-eastern B.C.
Citation
Page Citation for Hyphantria cunea
Page Citation
"Hyphantria cunea, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-222. Accessed 19 May. 2022.