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Phylogeny of Rhipicephalus spp. following maximum likelihood analysis of cox1 gene. For clarity, only one reference sequence (the closest Rhipicephalus haplotype available in GenBank from other studies) is included for each (sub)group. These reference sequences are indicated with coloured background of their accession numbers according to their taxonomic groups. Branch lengths represent the number of substitutions per site inferred according to the scale shown
