Lasionycta impingens
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Template:Short description Template:Speciesbox
Lasionycta impingens is a moth of the family Noctuidae. It occurs from southern Yukon to Colorado.
It is diurnal. Adults are common in alpine tundra. It feeds on nectar of a Penstemon species on the Beartooth Plateau, Montana, as well as on Mertensia paniculata and a Senecio, likely Senecio lugens at Pink Mountain, British Columbia.
Adults are on wing in July and August.
Subspecies
- Lasionycta impingens impingens (from southern Yukon southward in the Rocky Mountains to southern British Columbia and Alberta, and in southwestern British Columbia at Pavilion north of Lillooet)
- Lasionycta impingens curta (in the Rocky Mountains from southern Montana to Colorado)