N. T. Pham, G. R. Broad, R. Matsumoto, and C. V. Achterberg, “First records of the genus Spilopteron Townes (Hymenoptera: Ichneumonidae: Acaenitinae) from Vietnam, with descriptions of five new species”, Zootaxa, vol. 4590, no. 1, pp. 153–165, Apr. 2019.