The complete mitochondrial genome of Walker, 1863 (Lepidoptera: Tineidae).

The complete mitochondrial genome (mitogenome) of Walker, 1863 (Lepidoptera: Tineidae) comprises 15,541 bp and contains a typical set of genes and one non-coding region. The gene arrangement of is unique for Lepidoptera in that it has a -- sequence in the A + T-rich region and junction. Unlike most other lepidopteran insects, in which the gene has CGA as the start codon, has an ATT codon. Phylogenetic analyses based on the concatenated sequences of 13 protein-coding genes and two rRNA genes, using the Bayesian inference (BI) method, placed in the Tineidae, sister in position to the cofamilial species, , with the highest nodal support. Tineidae, represented by three species including , formed a monophyletic group with high support (Bayesian posterior probability = 0.99). Within Tineoidea the sister relationship between Tineidae and Meessiidae was obtained with the highest support, leaving Psychidae occupying the basal lineage of the two families.