The Bayesian inference (BI) tree of the studied species of Buprestidae based on the PCGRNA dataset.

The values above the nodes represent the Bayesian posterior probabilities.</p

General features of the five Agrilinae mitogenomes that were provided in this study.

General features of the five Agrilinae mitogenomes that were provided in this study.</p

Morphological characteristics of adult buprestid (dorsal view).

Agrilus discalis (A); Endelus continentalis (B); Habroloma sp. (C); Sambus kanssuensis (D). The scale at the lower right corner of all pictures is unified as one millimeter. (TIF)</p

Predicted cloverleaf structure of 22 transfer RNAs (tRNAs) in the mitogenome of <i>Agrilus discalis</i>.

Predicted cloverleaf structure of 22 transfer RNAs (tRNAs) in the mitogenome of Agrilus discalis.</p

Phylogenetic relationships of the studied species of Buprestidae using a Maximum-likelihood (ML) method based on the PCGRNA of the mitogenomes.

The numbers on the branches are the bootstrap value. (TIF)</p

The heterogeneity of the two datasets (PCGs and PCGRNA) for Buprestidae.

The heterogeneity of the two datasets (PCGs and PCGRNA) for Buprestidae.</p

Relative synonymous codon usage (RSCU) for the protein-coding genes (PCGs) of the mitogenome of <i>Endelus continentalis</i>.

Relative synonymous codon usage (RSCU) for the protein-coding genes (PCGs) of the mitogenome of Endelus continentalis.</p

The dated phylogenetic tree of Buprestidae based on the PCGRNA dataset.

A time scale is provided, and Ma refers to one million years.</p

The length of the complete mitogenomes and control regions of 17 Agrilinae species.

The length of the complete mitogenomes and control regions of 17 Agrilinae species.</p

Phylogenetic relationships of the studied species of Buprestidae using the CAT-GTR model based on the cd12 + rRNAs.

The values above the nodes represent the Bayesian posterior probabilities. (TIF)</p