1. Cameron, P. 1885-1886. Hymenoptera, Ichneumonides. In: Godman, F.D. & Salvin, O. (Eds.). Biologia Centrali-Americana, 1: 145-328 (1885: 145-240; 1886: 241-328).
2. Cresson, E.T. 1874. Descriptions of Mexican Ichneumonidae. Proc. Acad. Natur. Sci. Philadelphia, 1874: 374-413.
3. Gauld, I.D., Wahl, D., Bradshaw, K., Hanson, P. & Ward, S. 1997. The Ichneumonidae of Costa Rica, 2. Introduction and keys to species of the smaller subfamilies, Anomaloninae, Ctenopelmatinae, Diplazontinae, Lycorininae, Phrudinae, Tryphoninae (excluding Netelia) and Xoridinae, with appendices on the Rhyssinae. Mem. Amer. Entomol. Inst., 57. 485 pp.
4. Kasparyan, D.R. & Ruíz C., E. 2004. Two new species of Phytodietus Gravenhorst (Hymenoptera: Ichneumonidae) from Mexico. Russian Entomol. J., 13(1): 73-76.
5. Loan, C.C. 1981. North American species of Phytodietus and Neuchorus (Hymenoptera: Ichneumonidae, Tryphoninae). Naturaliste Canadien, 108: 331-470.