Wiśniowski, B., Lien, N.T.P. & Cuong, N.Q. (2020) Discovery of four new species of Trichrysis Lichtenstein, cyanea species group (Hymenoptera, Chrysididae) from Vietnam. Zootaxa, 4881 (1), 165–178.
https://doi.org/10.11646/zootaxa.4881.1.10