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Figure 1.Distribution and frequencies of the four P. imperialis mtDNA clades. Distribution of clades 1 (white fill), 2 (hatch), 3 (gray) and 4 (black) in four regions across the range of F. rubiginosa. Sample sizes are given in parentheses above pie-charts. Numbers next to arrows refer to sampling sites listed in Table 1. Open and closed circles on the map reveal the distributions of F. rubiginosa f. rubiginosa and F. rubiginosa f. glabrescens, respectively. QLD = Queensland, NSW = New South Wales, VIC = Victoria, SA = South Australia.

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Figure 2.Cytochrome b. Consensus Bayesian topology of a 444 bp region of the cytochrome b gene for 45 P. imperialis individuals, 14 other Pleistodontes species [33] and 4 outgroup Ceratosolen species [34]. Posterior node probabilities are indicated above each node. Thick branches represent >1 identical haplotypes.

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Figure 3.28S rRNA. Neighbour-joining phylogram of a 1,060 bp region of the 28S rRNA gene for 23 P. imperialis individuals, 14 other Pleistodontes species and an outgroup taxon, Platyscapa soraria. Percentage bootstrap support (1000 replicates) is indicated above branches. Unlabelled branches had bootstrap support of less than 50%.

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