Figure 1. Photographs of the alien terrestrial planarian species found indoors and outdoors in The Netherlands: Anisorhynchodemus sp., found in greenhouses in Rotterdam, Amsterdam and Arnhem (A, Photo by Roy Kleukers); Bipalium kewense found in greenhouses Amsterdam, Utrecht and Leiden (B, Photo by Pierre Gros); Parakontikia ventrolineata found in a garden in Amsterdam Noord (C, Photo by Roy Kleukers); Caenoplana coerulea found in a greenhouse in Nijmegen (D, Photo by Roy Kleukers); Caenoplana variegata found in gardens in Castricum, Bleiswijk, Hillegersberg, Zwijndrecht, Zaandam and Heemstede (E, Photo by Roy Kleukers); Caenoplana cf. micholitzi found in a greenhouse in Arnhem (F, Photo by Roy Kleukers); Dolichoplana sp. found in greenhouses in Amsterdam and Arnhem, (G, Photo by Roy Kleukers); Marionfyfea adventor found in gardens in Goes, Schiedam and Beek-Ubbergen (H, Photo by Jochem Kuhnen) and Obama cf. nungara found in a garden center in Gilzen (I, Photo by Pierre Gros). ; Published as part of Thunnissen, Naomi W., de Waart, Sytske A., Collas, Frank P.L., Jongejans, Eelke, Hendriks, A. Jan, Velde, Gerard van der & Leuven, Rob S.E.W., 2022, Risk screening and management of alien terrestrial planarians in The Netherlands, pp. 81-100 in Management of Biological Invasions 13 (1) on page 86, DOI:10.3391/mbi.2022.13.1.05, http://zenodo.org/record/11975725