| Kroeberia Lindner, 1930 |
| Kroeberia fuliginosa Lindner, 1930 |
| Lenkokroeberia Prado, 1966 |
| Lenkokroeberia chryserea Prado, 1966 |
| Mexicoa Steyskal, 1947 |
| Mexicoa mexicana Steyskal, 1947 |
| Rhopalomera Agassiz, 1846 |
| Rhopalomyia Williston, 1895 |
| Ropalomera Wiedemann, 1820 |
| Ropalomera femorata (Fabricius, 1805) |
| Ropalomera latiforceps Ramírez-García & Hernández-Ortiz, 1994 |
| Ropalomera xanthops Williston, 1895 |
| Ropalomeridae Schiner, 1868 |
| Willistoniella Mik, 1895 |
| Willistoniella pleuropunctata (Wiedemann, 1824) |
| Willistoniella substituta (Walker, 1858) |
| Willistoniella ulyssesi Marques & Ale-Rocha, 2005 |
| Willistoniella vittifrons (Rondani, 1848) |