The North American ichneumon-flies of the tribe Ephialtini.
Cushman, R. A. (Robert Asa), 1880-1957
Article
1921
Proceedings of the United States National Museum
58
327--362
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/3915 DOI: https://doi.org/10.5479/si.00963801.58-2340.327