Cushman, R. A. 1937. Revision of the North American species of ichneumon and flies of the genus Exetastes Gravenhorst Proceedings of the United States National Museum 84:243-318
Cushman, R. A. 1937. Revision of the North American species of ichneumon and flies of the genus Exetastes Gravenhorst Proceedings of the United States National Museum 84:243-318