From figure 1 from: H. REISE, J.M.C. HUTCHINSON & D.G. ROBINSON 2005. Two introduced pest slugs: Tandonia budapestensis new to the Americas, and Deroceras panormitanum new to the Eastern USA. Veliger 48:110–115. Abstract and pdf.

[Photo of Tandonia budapestensis]

(a) Tandonia budapestensis in its typical C-shape resting position within a soil cavity that was topped by a board. The eggs could well be from this specimen. (b) A pair of mating T. budapestensis, as the species is commonly encountered because of its prolonged copulation (typically from evening to midday: Quick 1960). Both pictures from Nork Park allotments, Banstead, Surrey, England.

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