Seehausen, M., V. J. Kalkman, and M. Bedjanič. “Revision of the Pseudagrion Red-Group Occurring in Asia West of Lydekker’s Line, With Description of Four New Species (Odonata: Coenagrionidae)”. Zootaxa, vol. 5587, no. 1, Feb. 2025, pp. 1-66, doi:10.11646/zootaxa.5587.1.1.