Type species of the genera of ichneumon flies
By: by Henry L. Viereck.
Contributors: United States National Museum.
Series: Bulletin / United States National Museum -- 83; Bulletin (United States National Museum) -- no. 83.
Publisher: G.P.O.
Published: 1914
Place of publication: Washington
Language: eng
Number of pages: 186
Subjects: Ichneumonidae.
Notes: Includes index.