Reference
Richard Mally, Leif Aarvik, Timm Karisch, David C. Lees, Tobias Malm (2022): Revision of Afrotropical Udea Guenée in Duponchel, 1845, with description of five new species of the U. ferrugalis (Hübner, 1796) group (Lepidoptera, Crambidae, Spilomelinae) – Nota lepidopterologica – 45: 315 - 353.