| Isocryptus Brèthes, 1927 |
| Itoplectis Förster, 1869 |
| Itoplectis conquisitor (Say, 1835) |
| Itoplectis conquisitrix (Schulz, 1906) |
| Itoplectis immigrans Timberlake, 1920 |
| Itoplectis naranyae (Ashmead, 1906) |
| Itoplectis pictipes (Walsh, 1873) |
| Itoplectis pleurivincta (Say, 1835) |
| Itoplectis rufiventris (Sonan, 1939) |
| Itoplectis temnopleuris (Cushman, 1920) |
| Itoplectis walshii (Dalla Torre, 1901) |
| Jamaicapimpla Mason, 1975 |
| Janzophion Gauld, 1985 |
| Janzophion saxis Gauld, 1988 |
| Joppa Fabricius, 1804 |
| Joppa aberratina Strand, 1923 |
| Joppa atropos (Kriechbaumer, 1898) |
| Joppa aurita (Kriechbaumer, 1898) |
| Joppa basinotata (Kriechbaumer, 1898) |
| Joppa bilimeki (Kriechbaumer, 1898) |