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
Shrubby areas in the eastern and southern prairie ecoregion of Alberta.
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.
An extremely polyphagous species, recorded primarily from trees and shrubs.
Occurs across most of the U.S. and southern Canada, although absent from central and western Alberta and south-eastern B.C.
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Page Citation for Hyphantria cunea
"Species Details - 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 03 Dec. 2023.
NameSchmidt, B. C.
Rolespecies page author
AuthorSchmidt, B. C.
TitleThe tiger moths (Arctiidae) of Alberta.
There are 36 specimens of this Species.
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36 results plotted on map in 18 markers. Note: Only records with latitude and longitude coordinates are plotted on map.