Abstract
To determine the Dysgonia stuposa mitochondrial genome (mitogenome) structure and to clarify its phylogenetic position, the entire mitogenome of D. stuposa was sequenced and annotated. The D. stuposa mitogenome is 15,721 bp in size and contains 37 genes (protein-coding genes, transfer RNA genes, ribosomal RNA genes) usually found in lepidopteran mitogenomes. The newly sequenced mitogenome contained some common features reported in other Erebidae species, e.g., an A+T biased nucleotide composition and a non-canonical start codon for cox1 (CGA). Like other insect mitogenomes, the D. stuposa mitogenome had a conserved sequence ‘ATACTAA’ in an intergenic spacer between trnS2 and nad1, and a motif ‘ATAGA’ followed by a 20 bp poly-T stretch in the A+T rich region. Phylogenetic analyses supported D. stuposa as part of the Erebidae family and reconfirmed the monophyly of the subfamilies Arctiinae, Catocalinae and Lymantriinae within Erebidae.
Highlights
Dysgonia stuposa (Lepidoptera: Erebidae) is an important pest species, and it has a wide distribution throughout the southern and eastern parts of Asia
The application of molecular techniques to study the sequence of D. stuposa mitogenome will help in its precise identification and classification while contributing to future genetic ecology and evolutionary analyses
We sequenced the complete mitogenome of D. stuposa and reconstructed phylogenetic relationships to assess its phylogenetic position within Noctuoidea
Summary
Dysgonia stuposa (Lepidoptera: Erebidae) is an important pest species, and it has a wide distribution throughout the southern and eastern parts of Asia. The complete mitochondrial genome of Dysgonia stuposa (Lepidoptera: Erebidae) and phylogenetic relationships within Noctuoidea. The nucleotide and amino acid sequences of mitochondrial PCGs are broadly used to determine the taxonomic status of species and to analyze phylogenetic relationships within Erebidae (Yang & Kong, 2016; Liu et al, 2017).
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