2006
DOI: 10.1111/j.1365-294x.2006.02792.x
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Abstract: Host-race evolution is a prime candidate for sympatric speciation because host shifts must take place in the presence of both hosts. However, the geographic context in which the shift takes place may have strong allopatric or peripatric components if the primary host within a localized area is scarce or even goes extinct. Inference of the relative importance of the geographic mode of speciation may be gained from phylogeographic imprints. Here, we investigate the phylogeography of host races of the tephritid f… Show more

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Cited by 36 publications
(64 citation statements)
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References 78 publications
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“…Hence, geography in its present state plays, at most, only a fine-tuning role in diversification (see below). Unfinished lineage sorting where both host races share a central haplotype suggests a rapid diversification process in T. conura (Diegisser et al, 2006). Was the primary force promoting allozyme divergence among host races genetic drift (in allopatry) or some kind of divergent selection (independent of geography)?…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Hence, geography in its present state plays, at most, only a fine-tuning role in diversification (see below). Unfinished lineage sorting where both host races share a central haplotype suggests a rapid diversification process in T. conura (Diegisser et al, 2006). Was the primary force promoting allozyme divergence among host races genetic drift (in allopatry) or some kind of divergent selection (independent of geography)?…”
Section: Discussionmentioning
confidence: 99%
“…Mitochondrial DNA sequence analysis suggests recent diversification. Both host races share the most common mtDNA haplotype, which is central in a star-like genealogy (Diegisser et al, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…Studies on parasite-host interactions, co-speciation, and biogeography indicate that, in cases of highly developed specialization, the phylogeny of the parasites reflects that of their hosts (Johnson et al, 2003;Page, 2003). Most of the literature on formation of genetic races and processes of parasite speciation deals with parasitic animals, for example lice (Barker & Close, 1990;Hafner & Page, 1995), ticks (McCoy et al, 2001(McCoy et al, , 2005, or phytophagous insects (Feder et al, 2003;Diegisser et al, 2006). Although parasitic plants are important both ecologically and economically (Press & Phoenix, 2005), and share many characteristics with parasitic animals, evolutionary processes in parasitic angiosperms are still poorly known, and only a few genera, such as Arceuthobium (Nickrent & Stell, 1990;Jerome & Ford, 2002;Linhart et al, 2003) and Viscum (Zuber & Widmer, 2000), have been studied in detail.…”
Section: Introductionmentioning
confidence: 99%
“…The infestation pattern of C. palustre in Britain resembles a geographic setting that might be common in host-race evolution, namely localised inclusion of a novel host in a newly colonised area. The setting is similar to that hypothesised for the evolution of host races infesting C. oleraceum and C. heterophyllum in continental Europe (Diegisser et al 2006a) where host range expansion in sympatry was followed by a peripatric phase with the lone occurrence of the derived host outside the sympatric range.…”
Section: Introductionmentioning
confidence: 81%
“…The Tephritidae have several well documented host-races, including species in the genera Eurosta (Craig et al 1993), Rhagoletis (Bush 1969;Feder et al 1998) and Tephritis (Diegisser et al 2004(Diegisser et al , 2006a, whereas other studies have either found no or ambiguous evidence for divergent host-plant populations (Leclaire and Brandl 1994;Schwarz et al 2003;Stireman et al 2005;Vaupel et al 2007). Host-range expansions and host shifts likely both explain the range of Cirsium (Cardueae) host plants exploited by the fly Tephritis conura (Tephritidae).…”
Section: Introductionmentioning
confidence: 96%