Dated estimate of phylogeny for species of the subgenus <i>Megabombus</i>.

Abstract

<p>From Bayesian analysis of COI barcodes, using single samples selected to represent each of the species from <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0132358#pone.0132358.g002" target="_blank">Fig 2</a> and using the birth-death process for speciation on the tree. The tree is dated in Ma by setting the date for the divergence with the <i>Mendacibombus</i> outgroup to 34 Ma [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0132358#pone.0132358.ref033" target="_blank">33</a>]. Values at each node: posterior probability / age in Ma. Nodes with support <i>p</i>≥0.8 show 95% confidence limits for the date estimate as grey bars; nodes with support <i>p</i><0.8 have the values shown in grey; nodes with support <i>p</i><0.66 are shown collapsed. The vertical gray line show the 1.3 Ma position to distinguish between the two time periods. The extreme food specialization species name with under dashed line.</p

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