Chansri, K., Kerkig, P., Reshchikov, A., Quicke, D., Puengchanchaikul, V. and Butcher, B.A. 2025. A Second Unicorn Darwin Wasp Species Gilen principissa sp. nov. (Hymenoptera: Ichneumonidae, Ctenopelmatinae) from Thailand. Tropical Natural History. 25, 8 (Oct. 2025), 324–333. DOI:https://doi.org/10.58837/tnh.25.8.266788.