Phyllonorycter rileyella is a moth of the family Gracillariidae. It is known from Illinois, Missouri, Texas, Florida, Maine and Ohio in the United States.[1]
The wingspan is 6–8 mm.
The larvae feed on Quercus species, including Quercus imbricaria, Quercus obtusifolia, Quercus rubra and Quercus stellata. They mine the leaves of their host plant.