| Icaricia lupini subsp. texanus (Goodpasture, 1973) |
| Ignata K. Johnson, 1992 |
| Ignata gadira (Hewitson, 1867) |
| Ignata illepida K. Johnson, 1992 |
| Ignata norax (Godman & Salvin, 1887) |
| Iophanus Draudt, 1920 |
| Iophanus pyrrhias (Godman & Salvin, 1887) |
| Ipidecla Dyar, 1916 |
| Ipidecla euprepes Hayward, 1949 |
| Ipidecla miadora Dyar, 1916 |
| Ipidecla monenoptron Dyar, 1918 |
| Ipidecla schausi (Godman & Salvin, 1887) |
| Ipocia Brévignon, 2000 |
| Ipocia claudia Brévignon, 2000 |
| Janthecla Robbins & Venables, 1991 |
| Janthecla janthina (Hewitson, 1867) |
| Janthecla janthina subsp. venezuelae Lathy, 1930 |
| Janthecla janthodonia (Dyar, 1918) |
| Janthecla rocena (Hewitson, 1867) |
| Kisutam K. Johnson & Kroenlein, 1993 |