Fig. 1From: The mitochondrial genomes of Tortricidae: nucleotide composition, gene variation and phylogenetic performanceNucleotide compositions of the tortricid mitogenomes. a A + T content; b AT-skew; c The averaged effective number of codons (ENC) of six tortricid tribes; d The averaged codon bias index (CBI) of six tortricid tribes; e Scatter plot of the GC content of 3rd codon sites versus ENC; f Scatter plot of the GC content of 3rd codon sites versus CBIBack to article page