Family Orussidae
This genus-level inventory covers the identified material from the following sections of the Hymenoptera collection. Types are not listed and found in a separate file on the Hymenoptera Collection Homepage.
| Faroe Islands collection | no |
| Iceland collection | no |
| Greenland collection | no |
| Danish collection | no |
| General collection | species-level |
| Danish alcohol collection | no |
| General alcohol collection | no |
| Genus | Species | Author | Biogeographic region | Specimens |
| Chalinus | braunsi | (Enslin, 1911) | Afrotropical | 2 |
| Guiglia | rubricata | Riek, 1955 | Australian | 1 |
| Guiglia | schauinslandi | (Ashmead, 1903) | Australian | 2 |
| Kulcania | mexicana | (Cresson, 1879) | Neotropic | 2 |
| Orussobaius | minutus | Benson, 1938 | Australian | 3 |
| Orussus | abietinus | (Scopoli, 1763) | Palaearctic | 11 |
| Orussus | japonicus | Tozawa, 1930 | Palaearctic | 2 |
| Orussus | minutus | Middlekauff, 1983 | Nearctic | 3 |
| Orussus | occidentalis | (Cresson, 1879) | Nearctic | 6 |
| Orussus | terminalis | Newman, 1834 | Nearctic | 2 |
| Orussus | thoracicus | (Ashmead, 1903) | Nearctic | 3 |
| Orussus | unicolor | Latreille, 1811 | Palaearctic | 2 |
| Stirocorsia | tosensis | (Tozawa & Sugihara, 1934) | Palaearctic | 2 |