Tandonia sowerbyi

Tandonia sowerbyi is a species of air-breathing, keeled, land slug, a shell-less terrestrial gastropod mollusk in the family Milacidae.[1][2][3]

Tandonia sowerbyi
Drawings of Tandonia sowerbyi, contracted (left) and active (right)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Order: Stylommatophora
Family: Milacidae
Genus: Tandonia
Species:
T. sowerbyi
Binomial name
Tandonia sowerbyi
(Férussac, 1823)

Description

This is a keeled slug attained 80 mm (3.1 in) in length.[3]

Habitat

This slug occurs in open habitats such as grasslands and shrublands; it can be abundant in arable land and gardens.[1]

Distribution

This slug is native to Europe, likely originally only to Greece.[1] It is now widespread in southeastern and Atlantic Europe:[1]

It is also present in:[1]

  • New Zealand
  • South America

This species has not yet become established in the USA, but it 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.[4]

References
  1. Rowson, B. (2017). "Tandonia sowerbyi". IUCN Red List of Threatened Species. 2017: e.T171388A1325424. doi:10.2305/IUCN.UK.2017-3.RLTS.T171388A1325424.en. Retrieved 21 August 2023.
  2. Bieler R, Bouchet P, Gofas S, Marshall B, Rosenberg G, La Perna R, Neubauer TA, Sartori AF, Schneider S, Vos C, ter Poorten JJ, Taylor J, Dijkstra H, Finn J, Bank R, Neubert E, Moretzsohn F, Faber M, Houart R, Picton B, Garcia-Alvarez O, eds. (2023). "Tandonia sowerbyi (A. Férussac, 1823)". MolluscaBase. World Register of Marine Species. Retrieved 21 August 2023.
  3. Pfleger, V. & Chatfield, J. (1983). A guide to snails of Britain and Europe. London: Hamlyn. p. 195.
  4. Cowie, Robert H.; Dillon, Robert T.; Robinson, David G.; Smith, James W. (2009). "Alien non-marine snails and slugs of priority quarantine importance in the United States: A preliminary risk assessment". American Malacological Bulletin. 27 (1–2): 113–132. doi:10.4003/006.027.0210. Archived 2016-06-16 at the Wayback Machine.
  • AnimalBase info at:
  • Spencer, H.G., Marshall, B.A. & Willan, R.C. (2009). Checklist of New Zealand living Mollusca. pp 196–219 in Gordon, D.P. (ed.) New Zealand inventory of biodiversity. Volume one. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch.


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