| Descriptions of 23 new genera and 31 new species of Ichneumon flies H L Viereck (1913) Proceedings of the United States National Museum 46: 359-386 | |
| 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 | |
| A catalogue and reclassification of the Nearctic Ichneumonidae (Hymenoptera). Part I Henry K Townes (1944) Memoirs of The American Entomological Society 11(1): 1-477 | |
| 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 |