Phyllonorycter trinotella is a moth of the family Gracillariidae. It is known from Québec in Canada and New Jersey, Maine, Connecticut, Ohio, Vermont and Michigan in the United States.[1]
The wingspan is about 5 mm.
The larvae feed on Acer species, including Acer platanoides, Acer rubrum and Acer saccharinum. They mine the leaves of their host plant.