Xerolenta obvia

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Xerolenta obvia
Xerolenta obvia2pl.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Geomitridae
Subfamily: Helicellinae
Tribe: Helicopsini
Genus: Xerolenta
Species:
X. obvia
Binomial name
Xerolenta obvia
(Menke, 1828) [1]
Synonyms
  • Helicella (Helicella) obvia(Menke, 1828)
  • Helicella obvia(Menke, 1828) superseded combination
  • Helix (Eulota) interpresWesterlund, 1879 (junior synonym)
  • Helix (Xerophila) aberransMousson, 1863 superseded combination
  • Helix aberransMousson, 1863 (basionym)
  • Helix obviaMenke, 1828 (original name)
  • Helix obvia var. kroliClessin, 1879· unaccepted (suspected synonym)

Xerolenta obvia is a species of air-breathing land snail, a terrestrial gastropod mollusk in the family Geomitridae, the hairy snails and their allies. [2]

Contents

Subspecies

Distribution

Distribution Xerolenta-obvia-map-eur-nm-moll.jpg
Distribution

This land snail occurs in European countries [3] including Hungary, Bulgaria, Czech Republic, Italy, Poland, Slovakia, Ukraine, [4] Canada (Bethany, Ontario, Canada first detected in 1969 and 1972; [5] at least 23 occurrences in southern Ontario as of 2015 [6] ), United States of America (Wayne County, Michigan Detected in 2002 - B. Sullivan) and others.

This species in the USA is considered to represent a potentially serious threat as a pest, an invasive species which could negatively affect agriculture, natural ecosystems, human health or commerce. Therefore, it has been suggested that this species be given top national quarantine significance in the USA. [7]

Description

Shells of Xerolenta obvia are medium-sized (7–10 mm high, 14–20 mm wide) and relatively flat. In the adult stage, 5 to 6 turns are present. These shells are usually thick and smooth, with a white or yellowish-white basic color and quite variable, dark brown to almost black bands. The body is yellowish-brown.

Life cycle

The size of the egg is 1.5 mm. [8]

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References

  1. ↑ Menke C.T. (1828). Synopsis methodica molluscorum generum omnium et specierum earum, quae in museo Menkeano adservantur; cum synonymia critica et novarum specierum diagnosibus. pp. I-XII [= 1-12], 1-91. Pyrmonti. (Gelpke).
  2. ↑ MolluscaBase eds. (2022). MolluscaBase. Xerolenta obvia (Menke, 1828). Accessed through: World Register of Marine Species at: https://marinespecies.org/aphia.php?p=taxdetails&id=1003460 on 2022-08-03
  3. ↑ Fauna europaea
  4. ↑ Balashov I. & Gural-Sverlova N. 2012. An annotated checklist of the terrestrial molluscs of Ukraine. Journal of Conchology. 41 (1): 91-109.
  5. ↑ Grimm, F. W. & Wiggins, G.B. ([1975]). Colonies of the European snail Helicella obvia (Hartmann) in Ontario. The Canadian Field-Naturalist88 (4): 421–428.
  6. ↑ Forsyth, R.G., M.J. Oldham, E. Snyder, F.W. Schueler & R. Layberry (2015). Forty years later: distribution of the introduced Heath Snail, Xerolenta obvia, in Ontario, Canada (Mollusca: Gastropoda: Hygromiidae). Check List11(4): 1711. doi:10.15560/11.4.1711
  7. ↑ Cowie R. H., Dillon R. T., Robinson D. G. & Smith J. W. (2009). Alien non-marine snails and slugs of priority quarantine importance in the United States: A preliminary risk assessment. American Malacological Bulletin27: 113-132. PDF.
  8. ↑ Heller J. (2001). Life History Strategies'.' in Barker G. M. (ed.): The biology of terrestrial molluscs . CABI Publishing, Oxon, UK, ISBN   0-85199-318-4. 1-146, cited page: 428.


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