SeasonalityIn Alberta, adults have been collected in mid-August.IdentificationA medium-sized moth (wingspan 3.5-3.8 cm). The forewings are pale grey-buff or yellowish buff. The antemedian and postmedian lines and the reniform spot are indistinctly marked in pale grey. The orbicular in some specimens is a pale buff dot, outlined with a few dark scales. The hindwings are pearl-white or pearl buff with darker veins and slightly darker toward the margin, darker in females than males. Overall a pale moth with no sharply contrasting markings. E. spumata is the only member of the punctigera group of the subgenus Euxoa known from Alberta.
Scientific NameEuxoa spumataHabitat
Dry open prairie grassland.
Seasonality
In Alberta, adults have been collected in mid-August.
Identification
A medium-sized moth (wingspan 3.5-3.8 cm). The forewings are pale grey-buff or yellowish buff. The antemedian and postmedian lines and the reniform spot are indistinctly marked in pale grey. The orbicular in some…
A medium-sized moth (wingspan 3.5-3.8 cm). The forewings are pale grey-buff or yellowish buff. The antemedian and postmedian lines and the reniform spot are indistinctly marked in pale grey. The orbicular in some specimens is a pale buff dot, outlined with a few dark scales. The hindwings are pearl-white or pearl buff with darker veins and slightly darker toward the margin, darker in females than males. Overall a pale moth with no sharply contrasting markings. E. spumata is the only member of the punctigera group of the subgenus Euxoa known from Alberta.
Life History
Adults are nocturnal and come to light. There is a single brood each year, with the adults on the wing in late summer and early fall. The immature stages are unknown.
Conservation
An uncommon species, but no concerns.
Diet Info
Unknown.
Range
A western moth, in Canada found in southern Saskatchewan and Alberta. In Alberta, it has been found north to Dinosaur Provincial Park.
//Citation and Rights Box - in-page ?>
Citation
//Citation and Rights Drawer - slide out ?>
Page Citation for Euxoa spumata
Page Citation
"Species Details - Euxoa spumata, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2367. Accessed 11 Dec. 2024.
References
AuthorLafontaine, J. Donald
TitleNoctuoidea : Noctuidae (part)
Publication Date1987
Pages237
AuthorLafontaine, J. Donald
TitleThe punctigera group of the genus Euxoa (Lepidoptera: Noctuidae) with descriptions of two new species.
Publication Date1987
Series TitleThe Canadian Entomologist
Volume106
Pages1233-1240
Specimen Information
There are 44 specimens of this Species.
//Map Distribution ?>
44 results plotted on map in 6 markers. Note: Only records with latitude and longitude coordinates are plotted on map.