| Protandrena (Protandrena) irwini Timberlake, 1976 |
| Protandrena (Protandrena) lateralis Timberlake, 1976 |
| Protandrena (Protandrena) lipovskyi Timberlake, 1976 |
| Protandrena (Protandrena) maculata Timberlake, 1976 |
| Protandrena (Protandrena) marstoni Timberlake, 1976 |
| Protandrena (Protandrena) metanotalis Timberlake, 1976 |
| Protandrena (Protandrena) mexicanorum (Cockerell, 1896) |
| Protandrena (Protandrena) mexicanorum subsp. mexicanorum (Cockerell, 1896) |
| Protandrena (Protandrena) modesta (Smith, 1874) |
| Protandrena (Protandrena) nudescens Timberlake, 1976 |
| Protandrena (Protandrena) pectidis (Timberlake, 1955) |
| Protandrena (Protandrena) pernitens Timberlake, 1976 |
| Protandrena (Protandrena) persimilis Timberlake, 1976 |
| Protandrena (Protandrena) polita Timberlake, 1976 |
| Protandrena (Protandrena) protuberata Timberlake, 1976 |
| Protandrena (Protandrena) punctulata Timberlake, 1976 |
| Protandrena (Protandrena) scutellata Cockerell, 1916 |
| Protandrena (Protandrena) semilevis Timberlake, 1976 |
| Protandrena (Protandrena) skinneri Timberlake, 1976 |
| Protandrena (Protandrena) sorocula Timberlake, 1976 |