Alien land snail species in the Western Palaearctic Region A Laevicaulis alte (Férussac, 1822), Egypt, Abu Rawash (reproduced from Ali and Robinson (2022), courtesy of R. F. Ali) B Laevicaulis stuhlmanni (Simroth, 1895), Egypt, El Zamalek (reproduced from Ali et al. (2022), courtesy of R. F. Ali) C Allopeas clavulinum (Potiez & Michaud, 1838), Netherlands, Delft, botanical garden (ZMH 50896) D Allopeas gracile (Hutton, 1834), Canary Islands, Tenerife, Santa Cruz de Tenerife, Parque García Sanabría (ZMH 122731) E Lissachatina fulica (Bowdich, 1822), Colombia, Tolima, Honda (ZMH 76101) F Paropeas achatinaceum (Pfeiffer, 1846), Indonesia, Java, Pacitan, Poko (ZMH 133608) G Discocharopa aperta (Möllendorff, 1888), Indonesia, Java, Karangpaci, Green Canyon (ZMH 133063) H Paralaoma servilis (Shuttleworth, 1852), Spain, Vilanova de la Muga (ZMH 99005) I Helicodiscus parallelus (Say, 1821), USA, Salem (ZMH 45981) J Lucilla scintilla (Lowe, 1852), Austria, Wildon, debris of Kainach River (ZMH 89156) K Lucilla singleyana (Pilsbry, 1889), Russia, Armavir, debris of Urup River (ZMH 100266). Scale bars: 10 mm (A, E); 1 mm (C–D, F–K).