Phyllonorycter arizonella is a moth of the family Gracillariidae. It is known from Arizona, United States. The larvae feed on Arbutus arizonica. They mine the leaves of their host plant. The mine has the form of a broad tract, with loosened epidermis. It is somewhat greenish at first, but later turns brown. It is found on the upperside of the leaf. References arizonella Moths of North America Lepidoptera of the United States Moths described in 1925 Leaf miners Taxa named by Annette Frances Braun