Phyllonorycter medicaginella
 Phyllonorycter medicaginella is a moth of the Gracillariidae family. It is found from Denmark and Poland to Belgium the Alps Bulgaria and Ukraine.The larvae feed on Medicago falcata Medicago lupulina Medicago sativa Melilotus alba Melilotus officinalis Ononis spinosa Trifolium dubium Trifolium campestre and Trifolium repens. They mine the leaves of their host plant. They create a lower-surface tentiform mine that occupies an entire leaflet.