| Pygarctia roseicapitis (Neumoegen & Dyar, 1893) |
| Pygoctenucha Grote, 1883 |
| Pygoctenucha azteca Schaus, 1892 |
| Pygoctenucha enna (Druce, 1855) |
| Pygoctenucha funerea Grote, 1883 |
| Pygoctenucha terminalis (Walker, 1854) |
| Pyrrharctia Packard, 1864 |
| Pyrrharctia isabella (J. E. Smith, 1797) |
| Quandara Nye, 1975 |
| Radara Walker, 1862 |
| Radara nealcesalis (Walker, 1859) |
| Radosa Nye, 1975 |
| Radosa ordinata (Walker, 1865) |
| Ramphia Guenée, 1852 |
| Ramphia albizona (Latreille, 1817) |
| Rejectaria Guenée, 1854 |
| Remigia Guenée, 1852 |
| Remigia disseverans Walker, 1858 |
| Remigia latipes Guenée, 1852 |
| Renia Guenée, 1854 |