| Author | Graham, M.W.R. de V. |
| Year | 1969 |
| Title | The Pteromalidae of North-western Europe (Hymenoptera: Chalcidoidea) |
| Type | Journal Special Edition |
| How Complete | All the North-western European (British Isles and Scandinavian) species and all European genera known and understood at the time |
| Source | Bull.br.Mus.nat.Hist.Entomol. Supplement 16. |
| Illustrations | 686 line drawings |
| Review (by Malcolm Storey) | A mammoth piece of work! Downloadable from the Natural History Museum website. (File: /pdf/Graham969.pdf) |
| Examine |  Stereo Microscope |
| Identification difficulty | Not for the faint-hearted or inexperienced. |
| Website url | www.nhm.ac.uk/resources/research-curation/projects/chalcidoids |
