Abstract
The tiny dragonfly, Nannophya pygmaea (Odonata: Libellulidae), has been listed as an endangered insect in South Korea. We sequenced the complete 15,112-bp-long mitochondrial genome (mitogenome) of the species. The genome included a typical set of genes (13 protein-coding genes [PCGs], two rRNA genes, and 22 tRNA genes) and one non-coding region with an arrangement identical to that found in most insects. Among the 13 PCGs, only ND1 started with the atypical TTG. The 441-bp-long A+T-rich region possessed the highest A/T content (84.6%) in the genome. N. pygmaea was placed as the sister to Orthetrum species belonging to Libellulidae. Unlike conventional phylogenetic results, the suborders Anisozygoptera and Zygoptera formed a strong sister group in both Bayesian inference (BI) and maximum likelihood (ML) methods (BI, BPP = 1 and ML, 88–94%), justifying the use of different types of molecular markers for phylogenetic analysis.
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