North American ichneumon-flies, new and described, with taxonomic and nomenclatorial notes
By: By R.A. Cushman
Series: United States. National Museum. Proceedings -- v. 58
Publisher: [s.n.]
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 292
Subjects: Ichneumonidae
Notes: Access to portions of this material may be restricted.