| Pachyneuron Walker, 1833 |
| Pachyneuron albutium Walker, 1843 |
| Pachyneuron allograptae Ashmead, 1887 |
| Pachyneuron aphidis (Bouché, 1834) |
| Pachyneuron aphidivorum Ashmead, 1887 |
| Pachyneuron argentinum (Brèthes, 1913) |
| Pachyneuron bosqi (Blanchard, 1948) |
| Pachyneuron californicum Girault, 1917 |
| Pachyneuron ferrierei Mani, 1939 |
| Pachyneuron gifuense Ashmead, 1904 |
| Pachyneuron lali Mani, 1939 |
| Pachyneuron maidaphidis Ashmead, 1888 |
| Pachyneuron micans Howard, 1890 |
| Pachyneuron minutissimus (Förster, 1841) |
| Pachyneuron mucronatum Girault, 1917 |
| Pachyneuron pruni Walker, 1850 |
| Pachyneuron siphonophorae (Ashmead, 1886) |
| Pachyneuron syrphi (Ashmead, 1881) |
| Pachyneuron triarticulata Mani & Saraswat, 1974 |
| Pachynevrum Agassiz, 1846 |