Barrett's Marbled Coronet (Conisania luteago) is a species of moth of the Noctuidae family. It is found from France through south-eastern Europe to central Asia. In the north it is found up to the Baltic region. It is also present in North Africa. It was formerly included in the Hadena genus, but was transferred to Conisania by Hacker in 1996. The wingspan is 29–40 mm. Adults are on wing from May to June. The young larvae feed on roots and stems of various Silene species. They overwinter as a pupa.