BioStor
 | A review of the ichneumonid subfamily Tryphoninae G C Davis (1897) Transactions of the American Entomological Society 24: 193-348 |
 | Ophioninae - a review H L Viereck (1912) Entomological News 23: 43-46 |
 | Type species of the genera of ichneumon flies H L Viereck (1914) Bulletin of the United States National Museum 83: 1-186 |
 | 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 |
 | Naamlijst van Inlandse Sluipwespen (Fam. Ichneumonidae 1) H G M Teunissen (1948) Tijdschrift Voor Entomologie 89: 10-38 |
 | 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 |