Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Lasionycta frigida is a moth of the Noctuidae family. It has a restricted range in the Alberta Rocky Mountains. It is possibly also present in Yukon and Alaska. The habitat is mixed forest in cold microclimates.The wingspan is 26 mm for males and 27 mm for females. Adults are on wing in mid-July.The Noctuidae or owlet moths are a family of robustly-built moths that includes more than 35,000 known species out of possibly 100,000 total, in more than 4,200 genera. They constitute the largest family in the Lepidoptera.