The fall armyworm, Spodoptera frugiperda , is a serious pest in large numbers on more than 350 plant species in the world. We have determined a 15,388 bp mitogenome of S. frugiperda which includes 13 protein-coding genes, two ribosomal RNA genes, and 22 transfer RNAs. The base composition was AT-biased (81.3%). Phylogenetic trees present that Korean S. frugiperda placed in basal position of S. frugiperda clade. S. frugiperda mitochondrial genome can be used for understanding recent active migration of S. frugiperda .

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We have determined a mitochondrial genome of Ricania speculum (Walker, 1851) collected in Jeollabuk-do, Republic of Korea. The circular mitogenome of R. speculum is 15,530 bp long which is shorter than that of the previous mitogenome of R. speculum by 199 bp. It includes 13 protein-coding genes, two ribosomal RNA genes, and 22 transfer RNAs. Intraspecific variation between two mitogenome of R. speculum was investigated: 171 SNPs and 18 INDELs were identified, presenting a high level of intraspecific variations on mitochondrial genome.

We have determined the second mitochondrial genome of Alphitobius diaperinus Panzer, 1797 collected in Gyeonggi-do, Republic of Korea. The circular mitogenome of A. diaperinus is 15,512 bp long which is slightly longer than that of the previous mitogenome of A. diaperinus. It includes 13 protein-coding genes, two ribosomal RNA genes, and 22 transfer RNAs. The base composition was AT-biased (72.4%). Intraspecific variation between two mitogenome of A. diaperinus was investigated: one SNP and one INDEL were identified, presenting the low level of intraspecific variations on mitochondrial genome.

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