Zoogeography and host associations of the Heterodoxus octoseriatus group and H. ampullatus (Phthiraptera: Boopiidae) from rock-wallabies (Marsupialia: Petrogale).
Species of the Heterodoxus octoseriatus group infest five species, comprising eight chromosome races, of Petrogale in Queensland and northern New South Wales, Australia. The precise host and geographic ranges of the 11 species of the H. octoseriatus group were determined. Individual hosts and host populations were infested by single species of lice only. The geographic ranges of lice were discrete. In some cases the geographic ranges of louse species and their hosts were approximately congruent. In others they were completely incongruent and it was unclear which species originally infested which hosts or even which was the most recent colonizer. In at least one case, expansion of the geographic range of one species of louse apparently led to fragmentation of the range of another and subsequently, to allopatric speciation.
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School of Biological Sciences, Macquarie University, New South Wales, Australia.
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D000818:Animals; D010373:Lice Infestations / Q000453:epidemiology / Q000662:veterinary*; D007614:Macropodidae / Q000469:parasitology*; D009517:New South Wales / Q000453:epidemiology; D011793:Queensland / Q000453:epidemiology; D013045:Species Specificity