Abstract

Curculio davidi is a destructive weevil that threatens chestnut cultivation. Its rapid identification and genetic source determination, such as using mitochondrial sequences, may contribute to developing the effective control and the prevention of this species. In this study, the complete mitochondrial genome of C. davidi was assembled from high-coverage Illumina sequencing reads. The circular genome was 16,852 bp long and encoded 37 typical mitochondrial genes. The nucleotide composition was asymmetric with an obvious bias towards A and T (77.2% combined). All protein-coding genes (PCGs) were initiated with typical ATN start codons except for ND1, which was initiated with TTG. These PCGs were terminated by the typical TAA/TAG codons or the incomplete T(aa) codon. The control region was determined by its remarkably high A+T content of 83.6%, and it was located between 12S rRNA and tRNA-Ile.

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