Figure 3

Evolution via tandem heptanucleotide repeat insertion/deletion in three cryptic B. tabaci species; NW, MED, and MEAM1. Within each species, only a single insertion or deletion is required to change from one allele to a progressively longer or shorter allele. Putative cases of among-species homoplasy are delimited with dotted line boxes. Cases of within-species homoplasy are indicated by allele labels in quotes. Descriptions of heptanucleotide building blocks are given in Figure 2.