Phyllonorycter lantanae is a moth of the Gracillariidae family. It is known from South Africa and Kenya. The length of the forewings is 1.9 mm. The forewings are ochreous golden with white markings. The hindwings and fringe are pale fuscous. Adults are on wing in mid-April in southern Africa and in late November near the equator. The larvae feed on Lantana species, including Lantana rugosa. They mine the leaves of their host plant. The mine has the form of a very small, oblong, semi-transparent, tentiform mine on the underside of the leaf.