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Here, we used RNA-seq reads to assemble the complete mitochondrial genomes of the spring field cricket, Gryllus veletis, and the variable field cricket, Gryllus lineaticeps. The mitochondrial genomes of G. veletis (15,686 bp, MW322713) and G. lineaticeps (15,607 bp, MW315773) each contain the expected 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and a large control (D-loop) region. The arrangements of these features were similar for both species and consistent with other closely related Orthoptera. A phylogenetic analysis of the mitochondrial genome sequences revealed that G. veletis and G. lineaticeps cluster with the other Gryllus species and all reside in a clade with the Gryllidae. [ABSTRACT FROM AUTHOR]