FIGURE 1 in A new wave of Mesoamerican bumblebees? Revising the weisi-complex to reject numts and pseudospecies (Apidae: Bombus)

FIGURE 1. Histogram of frequency of the bases A and T at codon position 3 (AT3%) for the COI barcode-like sequences in Fig. 2, with the expected high-bias AT3% sequences (≥98%) interpreted as orthologous COI barcodes (black) and lower AT3% sequences interpreted as likely numts of varying divergence (orange for the more recent numts; red for the older, more divergent numts; see the text for details of the distinguishing criteria).