Additional Supporting Information may be found in the online version of this article.

ajpa22336-sup-0001-suppfig1.tif2702KSupporting Figure 1.
ajpa22336-sup-0002-suppfig2.tif2702KSupporting Figure 2.
ajpa22336-sup-0003-suppfig3.tif2702KSupporting Figure 3.
ajpa22336-sup-0004-supptable1.doc124KSupplementary Table 1. Accession numbers of mtDNA COX1 sequences of human lice used from GenBank, their geographic origin and haplogroup
ajpa22336-sup-0005-supptable2.doc31KSupplementary Table 2. Marginal likelihood estimator performance under various coalescent priors using the harmonic mean estimator (HME) and path sampling (PS).

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