Fig. 4 in DNA barcoding in Dorcadionini (Coleoptera, Cerambycidae) uncovers mitochondrial-morphological discordance and the hybridogenic origin of several subspecies

Fig. 4 Comparison between interspecific and intraspecific pairwise genetic distances in Dorcadionini based on the DNA barcode. Distances were calculated once with all sequences from a species included (graphs on left side) or after excluding taxa resulted from introgression and mitochondrial capture (graphs on right side). With introgression removed, the grey area of overlap between intraspecific and interspecific distances decreases, the number of uncertain cases dropping from 16 to 4 (one square represents one mean pairwise distance)