Abstract
Here, we sequenced and annotated the complete mitogenome of Sympetrum striolatum (Odonata: Libellulidae). This mitogenome is 15,435 bp in length, consisting of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA unit genes, and a large non-coding region (putative control region). The S. striolatum mitogenome with an A + T content of 71.54% presented a positive AT-skew (0.081) and a negative GC-skew (−0.127). Twelve PCGs started with a typical ATN codon, the remaining one PCG started with TTG (nad1). All tRNAs had a typical secondary cloverleaf structure, except for trnS1 which lacked the dihydrouridine arm. The Bayesian phylogenetic tree of 29 Odonata species based on the concatenated nucleotide sequences of 13 PCGs supported the monophyly of Libellulidae and a closer relationship of S. striolatum and Brachythemis contaminata.
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