Revision of Afrotropical Udea Guenée in Duponchel, 1845, with description of five new species of the U. ferrugalis (Hübner, 1796) group (Lepidoptera, Crambidae, Spilomelinae)

Adults of Afrotropical Udea species. 1. U. delineatalis (Walker in Melliss 1875); a. ♂ (SDEI); b. cotype ♀ (NHMUK); 2. Phlyctaenia epicoena Meyrick, 1937 syn. nov. of U. ferrugalis (Hübner, 1796), paralectotype ♀ (NHMUK); 3. U. hageni Viette, 1952, ♂ (NHMO); 4. U. kirinyaga Mally, sp. nov., holotype ♂ (NHMO); 5. U. momella Mally, sp. nov., holotype ♂, abdomen removed (ZSM). Scale bar represents 5 mm, all specimens to scale.