Fagitana littera, the marsh fern moth, is a moth of the family Noctuidae. It is listed as a species of special concern in the US state of Connecticut."Connecticut's Endangered, Threatened and Special Concern Species 2015". State of Connecticut Department of Energy and Environmental Protection Bureau of Natural Resources. Retrieved January 27, 2018. It was described by Achille Guenée in 1852.
Larval foods Thelypteris palustris is reported as the only known host plant for the species.Pocketguide to Eastern Wetlands by T. Travis, Shanda Brown p.57, 2014
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