Heliozelidae
4 species in 3 genera are known from Block Island. Members of this family of minute moths are generally monophagous or oligophagous leafminers. The species documented on Block Island are miners of tupelo (Nyssa sylvatica), Virginia creeper (Parthenocissus quinquefolia), bayberry (Myrica pensylvanica), and black cherry (Prunus serotina), respectively.