| Lipocosma Lederer, 1863 |
| Lipocosma ausonialis (Druce, 1899) |
| Lipocosma illosalis Dyar, 1914 |
| Lipocosmopsis Munroe, 1964 |
| Lipocosmopsis ausonialis Druce, 1899 |
| Lipocosmopsis illosalis Dyar, 1914 |
| Loxomorpha Amsel, 1956 |
| Loxomorpha flavidissimalis (Grote, 1877) |
| Loxostege Hübner, 1825 |
| Loxostege allectalis (Grote, 1877) |
| Loxostege autocratoralis Dyar, 1912 |
| Loxostege commixtalis (Walker, 1866) |
| Loxostege federalis Capps, 1967 |
| Loxostege neomarculenta Capps, 1967 |
| Loxostege sinaloensis Capps, 1967 |
| Lygropia Lederer, 1863 |
| Lygropia falsalis Dyar, 1918 |
| Lygropia fuscicostalis Hampson, 1895 |
| Lygropia pharaxalis Druce, 1895 |
| Lygropia tripunctata (Fabricius, 1794) |