Additional References

Ashmead, W. H., 1900. “Classification of the Ichneumon Flies.” Proc. U.S. Nat. Mus., Vol 23, pp. 1–220.

Townes, H. K., 1944–45. “A Catalogue and Reclassification of Nearctic Ichneumonidae.” Mem. Amer. Ent. Soc. No. 11, Part I (1944); Part II (1945)