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.Global Taxonomic Database of Gracillariidae (Lepidoptera)
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. References