Acrocercops insulariella is a moth of the family Gracillariidae. It is known from the United States (California).[1]
The larvae feed on Chrysolepis chrysophylla, Chrysolepis sempervirens, Quercus agrifolia, Quercus chrysolepis, Quercus garryana, Quercus tomentella, Quercus vaccinifolia and Quercus wislizeni. They probably mine the leaves of their host plant.