The Moon-lined Moth (Spiloloma lunilinea) is a species of moth of the Noctuidae family. It is found in eastern and south-central North America. The wingspan is 44-54 mm. Adults are on wing from April to August. The larvae feed on Gleditsia triacanthos. 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.