| Laniifera cyclades (Druce, 1895) |
| Lathrotelinae Clarke, 1971 |
| Ledereria Snellen, 1875 |
| Ledereria nolkenialis Snellen, 1875 |
| Lipocosma Lederer, 1863 |
| Lipocosma ausonialis (Druce, 1899) |
| Lipocosma illosalis Dyar, 1914 |
| Lipocosmopsis Munroe, 1964 |
| Lipocosmopsis ausonialis Druce, 1899 |
| Lipocosmopsis illosalis Dyar, 1914 |
| Loxostege Hübner, 1825 [1816] |
| Loxostege autocratoralis Dyar, 1912 |
| Loxostege commixtalis (Walker, 1866) |
| Loxostege federalis Capps, 1967 |
| Loxostege neomarculenta Capps, 1967 |
| Lygropia Lederer, 1863 |
| Lygropia tripunctata (Fabricius, 1794) |
| Lypotigris Hübner, 1825 |
| Lypotigris reginalis (Stoll, 1782) |
| Marasmia Lederer, 1863 |