Caloptilia cornusella is a moth of the family Gracillariidae. It is known from Canada (Ontario and Québec) and the United States (Kentucky, Maine, Michigan, Missouri, New York, Utah, Connecticut, Washington and Maryland).[1]
The larvae feed on Cornus species, including Cornus alternifolia, Cornus canadensis, Cornus candidissima, Cornus circinata, Cornus rugosa, Cornus sericea and Cornus stolonifera. They mine the leaves of their host plant.