Burks, B. D. 1969. Species of Spalangia Latreille in the United States National Museum collection (Hymenoptera: Pteromalidae). Washington: Smithsonian Institution Press; for sale by the Supt. of Docs., U.S. Govt. Print. Off.. In Smithsonian Contributions to Zoology, 2. https://doi.org/10.5479/si.00810282.2.