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Updated: Jan 28, 2026

A Practical Guide to Phylogenetics for Nonexperts
Published on: February 5, 2014
Complete mitochondrial genomes of three Oxya grasshoppers (Orthoptera) and their implications for phylogenetic
Ran Li1, Yuqi Wang1, Xiaohan Shu1
1College of Plant Protection, Nanjing Agricultural University, Nanjing, Jiangsu 210095, PR China.
Abstract:
Oxya is a genus of grasshoppers (Orthoptera: Acridoidea) attacking rice and other gramineous plants in Africa and Asia. In the present study, we characterized complete mitochondrial genomes (mitogenomes) of three species, Oxya japonica japonica (15,427 bp), Oxya hainanensis (15,443 bp) and Oxya agavisa robusta (15,552 bp) collected from China. The three mitogenomes contained a typical gene set of metazoan mitogenomes and shared the same gene order with other Acridid grasshoppers, including the rearrangement of tRNAAsp and tRNALys. Analyses of pairwise genetic distances showed that ATP8 was the least conserved gene, while COI the most conserved. To determine the position of Oxya grasshoppers in the phylogeny of Acrididae, we reconstructed phylogenetic trees among 64 species from across 11 subfamilies using nucleotide sequences of mitogenomes. While the tree confirms traditional classifications of Acrididae at major higher-levels, it suggests a few modifications for classifications at lower-levels.
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