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Nguyen, M.T., Novelo-Gutiérrez, R., Ngiam, R.W.J., Kim, J., Phan, Q.T. and Keetapithchayakul, T.S. 2026. Taxonomic study of morphology and distribution of Nannophya pygmaea Rambur, 1842 (Odonata: Libellulidae) with a discussion on the possibility of cryptic diversity and larval comparison of genera in subfamily Brachydiplacinae. Zootaxa. 5777, 3 (Mar. 2026), 555–573. DOI:https://doi.org/10.11646/zootaxa.5777.3.9.