DNA barcode variation in the geographically extended dataset.

<p>Neighbour Joining tree based on K2P distances for the 1054 Australian sphingid records analysed in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101108#pone-0101108-g002" target="_blank">Fig. 2</a> augmented by 735 records for conspecifics, co-subspecifics and closely related species from outside Australia. In the centre of the tree, the inner (red) and outer (green) histograms represent the maximum intraspecific distance (δG) and the distance to the nearest heterospecific Neighbour on BOLD (Δsp). The species with δG>2% and Δsp<2% are highlighted in the tree with red and green colour ranges, respectively; those species are also listed with numbers following species numbers in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101108#pone-0101108-t001" target="_blank">Table 1</a>. An interactive and fully explorable and searchable version of this tree can be accessed at <a href="http://itol.embl.de/shared/rodroug" target="_blank">http://itol.embl.de/shared/rodroug</a>. (See also <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0101108#pone.0101108.s005" target="_blank">Fig. S5</a>.).