|scientific name Euxoa spumata |
Dry open prairie grassland.
In Alberta, adults have been collected in mid-August.
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.
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.
An uncommon species, but no concerns.
A western moth, in Canada found in southern Saskatchewan and Alberta. In Alberta, it has been found north to Dinosaur Provincial Park.
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