BioStor
 | Descriptions of new species belonging to the subfamily Pimplariae found in America north of Mexico E T Cresson (1870) Transactions of the American Entomological Society 3: 143-172 |
 | 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 |