Phyllocnistis labyrinthella
 Phyllocnistis labyrinthella is a moth of the Gracillariidae family. It is found in most of Europe except the British Isles Italy the Mediterranean Islands and parts of the Balkan Peninsula.The wingspan is 6–7 mm.The larvae mine the leaves of Populus alba and Populus tremula. The mine consists of a very long broad epidermal corridor that winds in dense loops over the upperside (and often also the underside) of the leaf without ever intersecting intself.