| A catalogue and reclassification of the Nearctic Ichneumonidae (Hymenoptera). Part II. The subfamilies Mesoleiinae, Plect-iscinae, Orthocentrinae, Diplazoninae, Metopiinae, Ophioninae, Mesochorinae Henry K Townes (1945) Memoirs of The American Entomological Society 11(2): 479-925 | |
| On the Type Species of Förster's genera (Hymenoptera, Ichneumonidae) J F Perkins (1962) Bulletin of the British Museum (Natural History), Entomology 11: 385-483 | |
| On the type species of Foerster's genera (Hymenoptera: Ichneumonidae) J F Perkins (1962) Bulletin of The British Museum (Natural History) Entomology 11(8): 383-483 |