| Ericrocis Cresson, 1887 |
| Ericrocis lata (Cresson, 1878) |
| Ericrocis pintada Snelling & Zavortink, 1985 |
| Eucera Scopoli, 1770 |
| Eucera (Synhalonia) Patton, 1879 |
| Eucera (Synhalonia) amsinckiae Timberlake, 1969 |
| Eucera (Synhalonia) angustifrons Timberlake, 1969 |
| Eucera (Synhalonia) conditi Timberlake, 1969 |
| Eucera (Synhalonia) edwardsii (Cresson, 1878) |
| Eucera (Synhalonia) fulviventris Smith, 1854 |
| Eucera (Synhalonia) ignota Timberlake, 1969 |
| Eucera (Synhalonia) lunata Timberlake, 1969 |
| Eucera (Synhalonia) mohavensis Timberlake, 1969 |
| Eucera (Synhalonia) venusta Timberlake, 1961 |
| Eucera (Synhalonia) venusta subsp. carinata Timberlake, 1961 |
| Eucera (Synhalonia) venusta subsp. venusta Timberlake, 1961 |
| Eucerini Latreille, 1802 |
| Eufriesea Cockerell, 1908 |
| Eufriesea caerulescens (Lepeletier, 1841) |
| Eufriesea concava (Friese, 1899) |