Family Xyelidae
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 | genus-level |
| Iceland collection | genus-level |
| Greenland collection | genus-level |
| Danish collection | genus-level |
| General collection | genus-level |
| Danish alcohol collection | no |
| General alcohol collection | no |
| Genus | species | Author, date | No. of specimens | Area |
| Pleroneura | brunneicornis | Rohwer, 1910 | 1 | Nearctic |
| Pleroneura | coniferarum | (Hartig, 1837) | 3 | Palaearctic |
| Xyela | curva | Benson, 1938 | 1 | Palaearctic |
| Xyela | julii | (Brébisson, 1818) | 18 | Palaearctic |
| Xyela | julii | (Brébisson, 1818) | 14 | Palaearctic (Danish) |
| Xyela | longula | Dalman, 1819 | 2 | Palaearctic |
| Xyela | sp. | 1 | Palaearctic |