Abstract

The stonefly Mesocapnia daxingana (Plecoptera: Capniidae) is a new species and the capniid genus Mesocapnia are first reported from China. Their potential use as biomonitoring for water quality assessment is well-known. In this study, we present the mitogenome of M. daxingana, which is 15,524 bp in length and consists of 13 protein-coding genes, two ribosomal RNAs, 22 transfer RNAs and a partial control region (719 bp). All genes have the similar locations and strands with that of other published stoneflies. The nucleotide composition is biased toward A and T, with 68.1% of A + T content. Phylogenetic analysis suggests that M. daxingana is closely related to Mesocapnia arizonensis and Apteroperla tikumana. Both maximum likelihood and Bayesian inference analyses showed strong support for a monophyletic Capniidae, and other five stonefly family formed a monophyletic group.

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