BioStor
 | XIII. Further additions to the Rev. T. A. Marshall's Catalogue of British Ichneumonidæ John B Bridgman (1886) Transactions of The Royal Entomological Society of London 34: 335-374 |
 | 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 |