• Idelia Zalessky, 1929 † (uncertain)
• Idelina Storozhenko, 1992 † (uncertain)
• Idertia Farron, 1963
• Idesia Maximowicz, 1866 [Family: Salicaceae]
• Idesia Scopoli, 1777 accepted as Diospyros Linnaeus, 1753 [Family: Ebenaceae]
• Idessa Walker, 1859 (uncertain)
• Idyaea G.O. Sars, 1910 accepted as Tisbe Lilljeborg, 1853
• Ilhaia Roewer, 1913 accepted as Mischonyx Bertkau, 1880
• Incaia Whittard, 1955 †