| Gastrops niger Williston, 1897 |
| Gastropsini Cresson, 1949 |
| Gymnopa Fallén, 1820 |
| Gymnopini Cresson, 1922 |
| Hyadina Haliday, 1837 |
| Hyadina albovenosa Coquillett, 1900 |
| Hyadina bulbosa Clausen, 1989 |
| Hyadina flavipes Sturtevant & Wheeler, M. R., 1954 |
| Hyadinini Cresson, 1948 |
| Hydrellia Robineau-Desvoidy, 1830 |
| Hydrellia harti Cresson, 1936 |
| Hydrellia melanderi Deonier, 1971 |
| Hydrellia notiphiloides Cresson, 1924 |
| Hydrellia proclinata Cresson, 1915 |
| Hydrellia tibialis Cresson, 1917 |
| Hydrelliinae Robineau-Desvoidy, 1830 |
| Hydrelliini Robineau-Desvoidy, 1830 |
| Hydrochasma Hendel, 1936 |
| Hydrochasma capax Cresson, 1938 |
| Hydrochasma facialis (Williston, 1896) |