| Protolaccus Burks, 1954 |
| Protolaccus syrphidis Girault, 1916 |
| Psilocera Walker, 1833 |
| Psilocera mexicana (Ashmead, 1895) |
| Pteromalidae Dalman, 1820 |
| Pteromalinae Dalman, 1820 |
| Pteromalodes Dahlbom, 1857 |
| Pteromalus Swederus, 1795 |
| Pteromalus amnisos Walker, 1848 |
| Pteromalus calamis Walker, 1849 |
| Pteromalus calandrae Howard, 1881 |
| Pteromalus cavus (Walker, 1835) |
| Pteromalus cephalotes Walker, 1836 |
| Pteromalus comes Walker, 1836 |
| Pteromalus cupreicolor Dalla Torre, 1898 |
| Pteromalus cupreus Walker, 1835 |
| Pteromalus distinguendus Förster, 1840 |
| Pteromalus equestris Walker, 1836 |
| Pteromalus eulimene Walker, 1848 |
| Pteromalus glautias Walker, 1848 |