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  • 1
    Electronic Resource
    Electronic Resource
    The genus Scaphiostomum Braun, 1901 (Trematoda: Brachylaimidae): A systematic review and description of Scaphiostomum palaearcticum n. sp. (1986)
    Springer
    Systematic parasitology 8 (1986), S. 141-150 
    Details
    ISSN: 1573-5192
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A systematic review of the genus Scaphiostomum Braun, 1901 (Trematoda: Brachylaimidae) is presented. Its diagnosis is emended and its position within the subfamily Brachylaiminae Joyeux & Foley, 1930 is established. The subfamily Scaphiostominae Yamaguti, 1958 is considered a synonym of the Brachy-laiminae. Scaphiostomum comprises the following species: S. illatabile Braun, 1901 (type species) from birds in South America, S. pancreaticum McIntosh, 1934 and S. microti (Kruidenier & Gallicchio, 1959) n. comb., both from rodents in North America, and S. palaearcticum n. sp. from rodents in the Balearic Islands (Spain). Scaphiostomum sp. of Lim, 1967 from rodents in Malaysia probably constitutes a different species. ac]19850319
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00009870
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    18S rRNA gene sequences and phylogenetic relationships of European hard-tick species (Acari: Ixodidae) (1997)
    Springer
    Parasitology research 84 (1997), S. 31-37 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The complete 18S rRNA gene sequences of the following six European hard-tick species were obtained by direct PCR cycle sequencing and silver-staining methods: Rhipicephalus pusillus, Boophilus annulatus, Dermacentor marginatus, Hyalomma lusitanicum, Haemaphysalis punctata, and Ixodes ricinus. Differences observed in the sequence alignment of these six species together with the 18S rRNA gene sequences of 13 other hard-tick species demonstrate that this gene is a good marker for supraspecific differentiation as well as genus grouping among hard ticks. Phylogenetic analyses strongly support that Hyalomma species share a common ancestor with Rhipicephalinae and, consequently, Hyalomminae should no longer be considered an independent subfamily. However, no definitive conclusion could be reached to support or oppose the separation of the subfamilies Haemaphysalinae and Amblyomminae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004360050352
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  • 3
    Electronic Resource
    Electronic Resource
    Mitochondrial 16S rDNA sequences and phylogenetic relationships of species of Rhipicephalus and other tick genera among Metastriata (Acari: Ixodidae) (1998)
    Springer
    Parasitology research 84 (1998), S. 478-484 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The mitochondrial 16S rRNA gene sequences of the following eight European Metastriata tick species were obtained by direct polymerase-chain-reaction cycle sequencing and silver-staining methods: Rhipicephalus bursa, R. pusillus, R. sanguineus, R. turanicus, Boophilus annulatus, Dermacentor marginatus, Haemaphysalis punctata, and Hyalomma lusitanicum. This mitochondrial gene seems to be a good marker for the establishment of genetic relationships among closely related tick species, but it does not seem to be useful for comparisons of distantly related taxa. The molecular data provide very strong support for the monophyly of the Rhipicephalinae, including Hyalomma spp. However, the genus Rhipicephalus may not be considered a monophyletic group; in all analyses carried out in this study, R. bursa clustered with Boophilus spp. The high percentage of similarity (98.7%) observed between R.␣sanguineus and R. turanicus sequences would suggest that these species recently diverged within the Rhipicephalus genus. Phylogenetic analyses showed a monophyletic relationship among Amblyomminae taxa. The relationships between Haemaphysalis species and the true placement of this genus within Metastriata could not be resolved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004360050433
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    The life cycle ofBrachylaima ruminae n. sp. (Trematoda: Brachylaimidae), a parasite of rodents (1986)
    Springer
    Parasitology research 72 (1986), S. 739-753 
    Details
    ISSN: 1432-1955
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The life cycle ofBrachylaima ruminae n.sp. (Trematoda: Brachylaimidae), a duodenal parasite of rodents on the Mediterranean island of Formentera (Spain) is elucidated. The new species follows a terrestrial triheteroxenous life cycle. Eggs passed in the faeces of the definitive host must be ingested by a specific first intermediate host, the land snailRumina decollata. Branched cercariogenous sporocysts develop in the digestive gland. Microcercous cercariae come out through the terminal birth pores of the branches. Cercariae shed by the snail are terrestrial, crawling on humid substratum. They contact the second intermediate host, another land snail, principally the speciesR. decollata and less frequently slugs and Helicids. Cercariae enter via the excretory pore and kidney duct to their specific final location, the kidney. Unencysted metacercariae develop in the kidney (also, less frequently, in the pedal glands) to the mature, infective stage. Infective metacercariae infest the definitive host when ingested together with the snail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00925095
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    Paper (German National Licenses)
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