''Erynnis horatius'', the Horace's duskywing, is a butterfly of the family Hesperiidae. It is found from Massachusetts, west to eastern South Dakota, south through most of the eastern United States to Florida, the Gulf Coast, and southern Texas, south in the west through south-eastern Utah, Colorado, north-eastern Arizona, and New Mexico. It is listed as a species of special concern in the US state of Connecticut.
Fringes are brown. Upperside of male forewing is dark brown with little.. more