BioStor
 | Classification of the Ichneumon flies, or the superfamily Ichneumonoidea Willam H Ashmead (1900) Proceedings of the U.S. National Museum 23(1206): 1-220 |
 | Ophioninae - a review H L Viereck (1912) Entomological News 23: 43-46 |
 | Contributions to our knowledge of bees and ichneumon flies, including the description of twenty-one new genera and fifty-seven new species of ichneumon flies H L Viereck (1912) Proceedings of the United States National Museum 42: 613-648 |
 | Type species of the genera of ichneumon flies H L Viereck (1914) Bulletin of the United States National Museum 83: 1-186 |
 | First supplement to "Type Species of the Genera of Ichneumon-flies" Henry L Viereck (1921) Proceedings of The United States National Museum 59(2364): 129-150 |
 | 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 |
 | Die europaischen Arten der Gattungen Echthronomas Forster und Eriborus Forster (Hymenoptera, Ichneumonidae) (1987) Nachrichtenblatt Der Bayerischen Entomologen 36: 57-67 |