| Mesoxaea Hurd & Linsley, 1976 |
| Mesoxaea arizonica (Cockerell, 1936) |
| Mesoxaea clypeata Hurd & Linsley, 1976 |
| Mesoxaea nigerrima (Friese, 1912) |
| Mesoxaea rufescens Hurd & Linsley, 1976 |
| Mesoxaea tachytiformis (Cameron, 1901) |
| Mesoxaea texana (Friese,1898) |
| Mesoxaea vagans (Fox, 1894) |
| Oxaeinae Ashmead, 1899 |
| Panurginae Leach, 1815 |
| Panurgini Leach, 1815 |
| Panurginus Nylander, 1848 |
| Panurginus gabrielis Michener, 1935 |
| Panurginus gracilis Michener, 1935 |
| Perdita Smith, 1853 |
| Perdita (Alloperdita) Viereck, 1917 |
| Perdita (Alloperdita) gertschi Timberlake, 1958 |
| Perdita (Callomacrotera) Timberlake, 1954 |
| Perdita (Callomacrotera) acapulcona Timberlake, 1954 |
| Perdita (Callomacrotera) maritima Timberlake, 1954 |