Tick-Trefoil Caloptilia

''Caloptilia violacella'' is a moth of the family Gracillariidae. It is known from Illinois, Missouri, Florida, Georgia, Kentucky, Maine, Maryland, New York and Texas in the United States.

The wingspan is about 10 mm.

The larvae feed on ''Cajanus cajan'', ''Desmodium'' species and ''Meibomia dillenii''. They mine the leaves of their host plant.