| Perdita (Perditella) minuta Timberlake, 1971 |
| Perdita (Procockerellia) Timberlake, 1954 |
| Perdita (Procockerellia) albonotata Timberlake, 1954 |
| Perdita (Pseudomacrotera) Timberlake, 1954 |
| Perdita (Pseudomacrotera) turgiceps Timberlake, 1954 |
| Perdita (Pygoperdita) Timberlake, 1956 |
| Perdita (Pygoperdita) californica (Cresson, 1878) |
| Perdita (Pygoperdita) californica subsp. californica (Cresson, 1878) |
| Perdita (Pygoperdita) layiae Cockerell, 1938 |
| Perdita (Pygoperdita) layiae subsp. basalicola Timberlake, 1956 |
| Perdita (Pygoperdita) malacothricis Timberlake, 1956 |
| Perdita (Pygoperdita) micheneri Timberlake, 1956 |
| Perdita (Pygoperdita) micheneri subsp. micheneri Timberlake, 1956 |
| Perditini Robertson, 1922 |
| Protandrena Cockerell, 1896 |
| Protandrena (Heterosarus) Robertson, 1918 |
| Protandrena (Heterosarus) adjunctus Timberlake, 1975 |
| Protandrena (Heterosarus) amplipennis Timberlake, 1975 |
| Protandrena (Heterosarus) arctiventris Timberlake, 1975 |
| Protandrena (Heterosarus) aristatus Timberlake, 1975 |