Lasionycta subalpina is a moth of the family Noctuidae. It is found from southern Idaho and the Beartooth Plateau on the Montana-Wyoming border to Colorado and central Utah as well as in the Sierra Nevada of California.

Lasionycta subalpina
Male
Female
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Lasionycta
Species:
L. subalpina
Binomial name
Lasionycta subalpina
Crabo & Lafontaine, 2009

The habitat is subalpine forests and mid-elevation pine forests.

The wingspan is 29–33 mm for males and 30–35 mm for females. Adults are on wing from mid-July through August.

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