Common NamePurple-lined SallowSeasonalityAdults are on the wing May - August.IdentificationA medium-size (3.5-3.8 cm wingspan) rusty orange moth with darker lines and bands. The hindwing is pale yellow with a dark discal crescent and a wide dark blackish brown margin and pale fringe. P. adela is very similar and may also occur in southern Alberta. It is less contrasting (has fewer and less prominent dark markings), and has a less well-defined terminal band on the hindwing which is a dull red or crimson, not blackish. Formerly treated as a subspecies of the Palearctic P. umbra, but now recognized as being one of two similar Holarctic species.
Scientific NamePyrrhia exprimensCommon Name
Purple-lined Sallow
Habitat
Open wooded areas and edges, from bogs to urban backyards
Seasonality
Adults are on the wing May - August.
Identification
A medium-size (3.5-3.8 cm wingspan) rusty orange moth with darker lines and bands. The hindwing is pale yellow with a dark discal crescent and a wide dark blackish brown margin and pale fringe. P. adela is very…
A medium-size (3.5-3.8 cm wingspan) rusty orange moth with darker lines and bands. The hindwing is pale yellow with a dark discal crescent and a wide dark blackish brown margin and pale fringe. P. adela is very similar and may also occur in southern Alberta. It is less contrasting (has fewer and less prominent dark markings), and has a less well-defined terminal band on the hindwing which is a dull red or crimson, not blackish. Formerly treated as a subspecies of the Palearctic P. umbra, but now recognized as being one of two similar Holarctic species.
Life History
AAdults are nocturnal and come to light. Like other species of the genus, they apparently use a wide range of hosts, and prefer the buds, flowers and developing seeds, although they will also eat foliage. They may be…
AAdults are nocturnal and come to light. Like other species of the genus, they apparently use a wide range of hosts, and prefer the buds, flowers and developing seeds, although they will also eat foliage. They may be at least partially double-brooded, with adults appearing in May, and again in late July and August.
Conservation
No concerns.
Diet Info
No Alberta data. Elsewhere reported from Polygonum, Desmodium, walnut, Delphinium sp., Balsam poplar, Trembling aspen, willow, plum, rose, sweetfern, and others. Also reported as a pest on Delphinium in the Ottawa area.
No Alberta data. Elsewhere reported from Polygonum, Desmodium, walnut, Delphinium sp., Balsam poplar, Trembling aspen, willow, plum, rose, sweetfern, and others. Also reported as a pest on Delphinium in the Ottawa area.
Range
Newfoundland west across southern Canada to southern Vancouver Island, south to Texas, Arizona and California. In Alberta, collected north to the northern Peace River district.
Citation
Page Citation for Pyrrhia exprimens
Page Citation
"Species Details - Pyrrhia exprimens, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-278. Accessed 17 Sep. 2024.
References
AuthorHardwick, D. F.
TitleA monograph to the North American Heliothentinae (Lepidoptera: Noctuidae).
Publication Date1996
Pages281
AuthorHardwick, D. F.
TitleThe life history of Pyrrhia exprimens (Noctuidae).
Publication Date1965
Series TitleJournal of the Lepidopterists' Society
Volume20
Pages234-239
Specimen Information
There are 38 specimens of this Species.
38 results plotted on map in 24 markers. Note: Only records with latitude and longitude coordinates are plotted on map.