Flyway homogenisation or differentiation? Insights from the phylogeny of the sandpiper (Charadriiformes: Scolopacidae: Calidrinae) wing louse genus Lunaceps (Phthiraptera: Ischnocera)

Gustafsson, Daniel; Olsson, Urban

doi:10.1016/j.ijpara.2011.11.003

Cited by 18 publications

(32 citation statements)

References 49 publications

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“…Uncorrected p‐distances within the Esthiopteridae are shown in Table , and distances within Carduiceps are shown in Table . Uncorrected p‐distances within each genus are similar to those reported from other groups (summarized in Gustafsson & Olsson, ). Uncorrected p‐distances within each Carduiceps species are between 0.0% and 1.2%, which is also similar to that observed in other louse genera (Gustafsson & Olsson, ).…”

Section: Resultssupporting

confidence: 78%

“…canutus samples were collected from host populations considered divergent enough to belong to different host subspecies (Message & Taylor, ; Clements et al ., ; see Table ). Details about collection of material are the same as in Gustafsson & Olsson ().…”

Section: Samplingmentioning

confidence: 99%

“…Gustafsson & Olsson () suggested that for lice of shorebirds (Charadriiformes), such opportunities may be very frequent outside of mating and nesting, due to the ecology of the host. While host population densities in breeding areas may be low, shorebirds gather into large, dense flocks during migration.…”

Section: Introductionmentioning

confidence: 99%

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Unexpected distribution patterns of Carduiceps feather lice (Phthiraptera: Ischnocera: Philopteridae) on sandpipers (Aves: Charadriiformes: Scolopacidae)

Gustafsson

Olsson

2017

Systematic Entomology

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The louse genus Carduiceps Clay & Meinertzhagen, 1939 is widely distributed on sandpipers and stints (Calidrinae). The current taxonomy includes three species on the Calidrinae (Carduiceps meinertzhageni, Carduiceps scalaris, Carduiceps zonarius) and four species on noncalidrine hosts. We estimated a phylogeny of four of the seven species of Carduiceps (the three mentioned above and Carduiceps fulvofasciatus) from 13 of the 29 hosts based on three mitochondrial loci, and evaluated the relative importance of flyway differentiation (same host species has different lice along different flyways) and flyway homogenization (different host species have the same lice along the same flyway). We found no evidence for either process. Instead, the present, morphology‐based, taxonomy of the genus corresponds exactly to the gene‐based phylogeny, with all four included species monophyletic. Carduiceps zonarius is found both to inhabit a wider range of hosts than wing lice of the genus Lunaceps occurring on the same group of birds, and to occur on Calidris sandpipers of all sizes, both of which are unexpected for a body louse. The previously proposed family Esthiopteridae is found to be monophyletic with good support. The concatenated dataset suggests that the pigeon louse genus Columbicola may be closely related to the auk and diver louse genus Craspedonirmus. These two genera share some morphological characters with Carduiceps, but no support was obtained for grouping these three genera together. Based on mitochondrial data alone, the relationships among genera within this proposed family cannot be properly assessed, but some previously suggested relationships within this proposed family are confirmed.

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Section: Resultssupporting

confidence: 78%

Section: Samplingmentioning

confidence: 99%

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Unexpected distribution patterns of Carduiceps feather lice (Phthiraptera: Ischnocera: Philopteridae) on sandpipers (Aves: Charadriiformes: Scolopacidae)

Gustafsson

Olsson

2017

Systematic Entomology

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“…Further sampling of other large raptor species in this flyway are needed to determine if this is an example of flyway homogenization, in which birds in a given flyway share closely related lice. Some evidence of flyway homogenization was found for the lice of small sandpipers and stints, but not in lice of large sandpipers (Gustafsson & Olsson, ). Interestingly, they also found no evidence of flyway differentiation of lice, whereas we found that lice from Old and New World Rough‐legged Hawks were genetically differentiated into geographically structured clades.…”

Section: Discussionmentioning

confidence: 99%

Independent origins of the feather lice (Insecta:Degeeriella) of raptors

Catanach

Johnson

2015

Biol J Linn Soc Lond

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Although diurnal birds of prey have historically been placed in a single order due to a number of morphological characters, recent molecular phylogenies have suggested that this is a case of convergence rather than homology, with hawks (Accipitridae) and falcons (Falconidae) forming two distantly related groups within birds. The feather lice of birds have often been used as a model for comparing host and parasite phylogenies, and in some cases there is significant congruence between the two. Thus, studying the phylogeny of the lice of diurnal raptors may be of particular interest with respect to the independent evolution of hawks vs. falcons. Using one mitochondrial gene and three nuclear genes, we inferred a phylogeny for the feather louse genus Degeeriella (which are all obligate raptor ectoparasites) and related genera. This phylogeny indicated that Degeeriella is polyphyletic, with lice from falcons vs. hawks forming two distinct clades. Falcon lice were sister to lice from African woodpeckers, whereas Capraiella, a genus of lice from rollers lice, was embedded within Degeeriella from hawks. This phylogeny showed significant geographical structure, with host geography playing a larger role than host taxonomy in explaining louse phylogeny, particularly within clades of closely related lice. However, the louse phylogeny does reflect host phylogeny at a broad scale; for example, lice from the hawk genus Accipiter form a distinct clade. © 2015 The Linnean Society of London, Biological Journal of the Linnean Society, 2015, 114, 837–847.

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“…These features make the occurrence of cryptic species a common phenomenon in parasites (Poulin & Morand, ; Miura et al , ). Such species can often only be distinguished using molecular data (Wilkerson et al , ; Jousson et al , ; Perkins, ; Gustafsson & Olsson, ).…”

Section: Introductionmentioning

confidence: 99%

Patterns of cryptic host specificity in duck lice based on molecular data

Escalante

Sweet

McCracken

et al. 2016

Medical Vet Entomology

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Documenting patterns of host specificity in parasites relies on the adequate definition of parasite species. In many cases, parasites have simplified morphology, making species delimitation based on traditional morphological characters difficult. Molecular data can help in assessing whether widespread parasites harbour cryptic species and, alternatively, in guiding further taxonomic revision in cases in which there is morphological variation. The duck louse genus Anaticola (Phthiraptera: Philopteridae), based on current taxonomy, contains both host-specific and widespread species. Mitochondrial and nuclear DNA sequences of samples from this genus were used to document patterns of host specificity. The comparison of these patterns with morphological variations in Anaticola revealed a general correspondence between the groups identified by DNA sequences and morphology, respectively. These results suggest that a more thorough taxonomic review of this genus is needed. In general, the groups identified on the basis of molecular data were associated with particular groups of waterfowl (e.g. dabbling ducks, sea ducks, geese) or specific biogeographic regions (e.g. North America, South America, Australia, Eurasia).

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Flyway homogenisation or differentiation? Insights from the phylogeny of the sandpiper (Charadriiformes: Scolopacidae: Calidrinae) wing louse genus Lunaceps (Phthiraptera: Ischnocera)

Cited by 18 publications

References 49 publications

Unexpected distribution patterns of Carduiceps feather lice (Phthiraptera: Ischnocera: Philopteridae) on sandpipers (Aves: Charadriiformes: Scolopacidae)

Unexpected distribution patterns of Carduiceps feather lice (Phthiraptera: Ischnocera: Philopteridae) on sandpipers (Aves: Charadriiformes: Scolopacidae)

Independent origins of the feather lice (Insecta:Degeeriella) of raptors

Patterns of cryptic host specificity in duck lice based on molecular data

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