Description: A medium-sized keeled slug, yellowish-grey above to dark grey-brown or almost black, with a reticulate pattern of black spots. Keel yellowish but may be the same colour as the body. No lateral bands. Sole pale grey with a dark grey to blackish central strip. Mucus colourless. Very slender when crawling. Widespread. 50-70 mm.

World Distribution: Originally with a south-eastern range in Europe but has spread north-westwards by human agency to reach the British Isles in 1921 (Philipps and Watson, 1930).

Irish Distribution: Widespread and common.

Ecology:

• Widespread and locally abundant in richer, shaded soils
• A common garden pest
• Probably a pest of root crops such as potato in Ireland

Red list status:

Not applicable (invasive).

Distribution Map from NBN: Tandonia budapestensis at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Tandonia budapestensis at iNaturalist World Species Observations database.

GBIF data for Tandonia budapestensis | Classification: Gastropoda, Stylommatophora, Milacidae, Tandonia

Thumbnails for genus Tandonia