Long, K.D., Hiep, N.D., Hoa, D.T. and Ngat, T.T. 2019. A new species of the genus <i> Trigonura </i> Sichel, 1865 (Hymenoptera: Chalcididae) from Vietnam. Academia Journal of Biology. 41, 4 (Dec. 2019). DOI:https://doi.org/10.15625/0866-7160/v41n4.14030.