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== Parasites ==
== Parasites ==
''Omphiscola glabra'' can serve as an intermediate host for several [[digenea]]n [[trematode]]s. In [[France]], ''Omphiscola glabra'' was naturally infected with ''[[Fasciola hepatica]]'',<ref>{{cite journal | doi = 10.1007/s00436-003-0892-8 | last1 = Dreyfuss | first1 = G. | last2 = Vignoles | first2 = P. | last3 = Rondelaud | first3 = D. | year = 2003 | title = Natural infections of ''Omphiscola glabra'' with ''Fasciola hepatica'' in central France | url = | journal = [[Parasitology Research]] | volume = 91 | issue = | pages = 458–461 }}</ref> ''[[Paramphistomum daubnei]]'',<ref>{{cite journal | last1 = Abrous | first1 = M. | last2 = Rondelaud | first2 = D. | last3 = Dreyfuss | first3 = G. | last4 = Kabaret | first4 = J. | year = 1999 | title = Infection of ''Lymnaea truncatula'' and ''Lymnaea glabra'' by ''Fasciola hepatica'' and ''Paramphistomum daubneyi'' in farms of central France | url = | journal = Vet. Res. | volume = 30 | issue = 1| pages = 113–118 | pmid = 10081118 }}</ref> and ''[[Haplometra cylindracea]]''.<ref>{{cite journal | doi = 10.1007/s004360050054 | last1 = Goumghar | first1 = M. D. | last2 = Abrous | first2 = M. | last3 = Ferdonnet | first3 = D. | last4 = Dreyfuss | first4 = G. | last5 = Rondelaud | first5 = D. | year = 2000 | title = Prevalence of ''Haplometra cylindracea'' infection in three species of ''Lymnaea'' snails in central France | url = | journal = Parasitol. Res. | volume = 86 | issue = 4| pages = 337–339 | pmid = 10780746 }}</ref> Moreover, recent report suggested that the species is also susceptible to ''[[Fascioloides magna]]'' infection.<ref>{{cite journal | doi = 10.1007/s00436-005-0067-x | last1 = Rondelaud | first1 = D. | last2 = Novobilský | first2 = A. | last3 = Vignoles | first3 = P. | last4 = Treuil | first4 = P. | last5 = Koudela | first5 = B. | last6 = Dreyfuss | first6 = G. | year = 2006 | title = First studies on the susceptibility of ''Omphiscola glabra'' (Gastropoda: Lymnaeidae) from central France to ''Fascioloides magna'' | url = | journal = Parasitol. Res. | volume = 98 | issue = 4| pages = 299–303 | pmid = 16362339 }}</ref>
''Omphiscola glabra'' can serve as an intermediate host for several [[digenea]]n [[trematode]]s. In [[France]], ''Omphiscola glabra'' was naturally infected with ''[[Fasciola hepatica]]'',<ref>{{cite journal | doi = 10.1007/s00436-003-0892-8 | last1 = Dreyfuss | first1 = G. | last2 = Vignoles | first2 = P. | last3 = Rondelaud | first3 = D. | year = 2003 | title = Natural infections of ''Omphiscola glabra'' with ''Fasciola hepatica'' in central France | url = | journal = [[Parasitology Research]] | volume = 91 | issue = | pages = 458–461 }}</ref> ''[[Paramphistomum daubnei]]'',<ref>{{cite journal | last1 = Abrous | first1 = M. | last2 = Rondelaud | first2 = D. | last3 = Dreyfuss | first3 = G. | last4 = Kabaret | first4 = J. | year = 1999 | title = Infection of ''Lymnaea truncatula'' and ''Lymnaea glabra'' by ''Fasciola hepatica'' and ''Paramphistomum daubneyi'' in farms of central France | url = | journal = Vet. Res. | volume = 30 | issue = 1| pages = 113–118 | pmid = 10081118 }}</ref> and ''[[Haplometra cylindracea]]''.<ref>{{cite journal | doi = 10.1007/s004360050054 | last1 = Goumghar | first1 = M. D. | last2 = Abrous | first2 = M. | last3 = Ferdonnet | first3 = D. | last4 = Dreyfuss | first4 = G. | last5 = Rondelaud | first5 = D. | year = 2000 | title = Prevalence of ''Haplometra cylindracea'' infection in three species of ''Lymnaea'' snails in central France | url = | journal = Parasitol. Res. | volume = 86 | issue = 4| pages = 337–339 | pmid = 10780746 }}</ref> Moreover, a recent report suggests that the species is also susceptible to ''[[Fascioloides magna]]'' infection.<ref>{{cite journal | doi = 10.1007/s00436-005-0067-x | last1 = Rondelaud | first1 = D. | last2 = Novobilský | first2 = A. | last3 = Vignoles | first3 = P. | last4 = Treuil | first4 = P. | last5 = Koudela | first5 = B. | last6 = Dreyfuss | first6 = G. | year = 2006 | title = First studies on the susceptibility of ''Omphiscola glabra'' (Gastropoda: Lymnaeidae) from central France to ''Fascioloides magna'' | url = | journal = Parasitol. Res. | volume = 98 | issue = 4| pages = 299–303 | pmid = 16362339 }}</ref>


==References==
==References==

Revision as of 17:43, 12 February 2012

Omphiscola glabra
A live individual of Omphiscola glabra on a paper grid
Scientific classification
Kingdom:
Phylum:
Class:
(unranked):
Superfamily:
Family:
Subfamily:
Genus:
Species:
O. glabra
Binomial name
Omphiscola glabra
(Müller, 1774)[1]
Synonyms
  • Buccinum glabrum Müller, 1774
  • Lymnaea glabra

Omphiscola glabra is a species of small to medium-size, air-breathing, freshwater snail, an aquatic pulmonate gastropod mollusk in the family Lymnaeidae.[2]

Distribution

This European snail can be found from southern Scandinavia (61° N) to southern Spain.[3]

  • endangered in Germany. Critically endangered in Western Germany (Rheinland-Pfalz, Saarland, Nordrhein-Westfalen, Hessen). Extinct in Bavaria.[3]
  • Netherlands
  • one site in the south east of Ireland was found in 2009, but it is listed as extinct at at local red list (2009).[4]
  • vulnerable in Great Britain[3]

The distribution of Omphiscola glabra is very scattered and rare.[3] It is seriously threatened, at many places extinct.[3] It is threatened by continuous habitat destruction by drainage and intensive farming.[3] Acriculturally induced eutrophication and drainage are threats. Omphiscola glabra has disappeared widely from urbanized areas such as London.[3]

Five shells of Omphiscola glabra

Shell description

The shell is strongly cylindrical, horny, often with a brownish or blackish surface, the apex is blunt, 7-8 moderately convex whorls, with last whorl being twice as high as the narrow aperture, and with aperture often with white lip.[3]

The height of the shell is 9–12 mm,[3] up to 15 mm[5] or up to 20 mm.[3] The width of the shell is 3–4 mm,[3] up to 5.5 mm.[5]

Habitat

This snail lives in places such as swampy meadows and ditches.[6]

Omphiscola glabra is said to occur in small areas of standing water that have a lot of vegetation such as swamps, and also in standing forest waters with leaf litter, often in water with organic iron contents and low calcium contents.[3][clarification needed]

In Britain however, this species occurs in small standing waters that are low in nutrients, with poor aquatic flora, often in waters drying out periodically.[3] They usually do not occur in habitats with high molluscan diversity, and usually in habitats on uncultivated land.[3] They are calciphile and have a pH tolerance of 5.4-8.8.[3][clarification needed]

Reproduction begins in May.[3] Juveniles hatch after 15–25 days.[3] Omphiscola glabra has two generations per year.[3]

Parasites

Omphiscola glabra can serve as an intermediate host for several digenean trematodes. In France, Omphiscola glabra was naturally infected with Fasciola hepatica,[7] Paramphistomum daubnei,[8] and Haplometra cylindracea.[9] Moreover, a recent report suggests that the species is also susceptible to Fascioloides magna infection.[10]

References

This article incorporates public domain text from the reference.[3]

  1. ^ Müller O. F. (1774). Vermivm terrestrium et fluviatilium, seu animalium infusoriorum, helminthicorum, et testaceorum, non marinorum, succincta historia. Volumen alterum. pp. I-XXXVI [= 1-36], 1-214, [1-10]. Havniae & Lipsiae. (Heineck & Faber).
  2. ^ Glöer P. (2002). Überfamilie Lymnaeoidea Rafinesque 1815. Familie Lymnaeidae Lamarck 1812. In: Glöer P. (ed.) Die Süßwassergastropoden Nord-und Mitteleuropas. Bestimmungschlüssel, Lebensweise, Verbreitung. Die Tierwelt Deutschlands 73. Conchbooks, Hackenheim, pp. 200–232.
  3. ^ a b c d e f g h i j k l m n o p q r s "Species summary for Omphiscola glabra". AnimalBase. Last modified 24-02-2009, accessed 31 July 2010.
  4. ^ Anderson R. (2009). "Value of species datasets as baselines (non-marine Mollusca)". accessed 31 July 2010.
  5. ^ a b Template:Pl icon Jackiewicz M. (2000). Blotniarky Europy (Gastropoda: Pulmonata: Lymnaeidae). Wydawnictwo Kontekst, Poznań. 115 pp.
  6. ^ Rondelaud, D.; Vignoles, P.; Dreyfuss, G. (2001). "First field observations on the aestivation of Omphiscola glabra (Gastropoda, Lymnaeida) uninfected or infected with Fasciola hepatica in central France". Ann. Limnol. - Int. J. Lim. 39: 129–133. doi:10.1051/limn/2003010.
  7. ^ Dreyfuss, G.; Vignoles, P.; Rondelaud, D. (2003). "Natural infections of Omphiscola glabra with Fasciola hepatica in central France". Parasitology Research. 91: 458–461. doi:10.1007/s00436-003-0892-8.
  8. ^ Abrous, M.; Rondelaud, D.; Dreyfuss, G.; Kabaret, J. (1999). "Infection of Lymnaea truncatula and Lymnaea glabra by Fasciola hepatica and Paramphistomum daubneyi in farms of central France". Vet. Res. 30 (1): 113–118. PMID 10081118.
  9. ^ Goumghar, M. D.; Abrous, M.; Ferdonnet, D.; Dreyfuss, G.; Rondelaud, D. (2000). "Prevalence of Haplometra cylindracea infection in three species of Lymnaea snails in central France". Parasitol. Res. 86 (4): 337–339. doi:10.1007/s004360050054. PMID 10780746.
  10. ^ Rondelaud, D.; Novobilský, A.; Vignoles, P.; Treuil, P.; Koudela, B.; Dreyfuss, G. (2006). "First studies on the susceptibility of Omphiscola glabra (Gastropoda: Lymnaeidae) from central France to Fascioloides magna". Parasitol. Res. 98 (4): 299–303. doi:10.1007/s00436-005-0067-x. PMID 16362339.

External links