Nieuwe vindplaatsen van de invasieve Gekielde loofslak Hygromia cinctella in Noord-Holland boven het Noordzeekanaal

New localities of the invasive Girdled snail Hygromia cinctella in North-Holland North of the Northsea-channel are reported. Eight new localities for the Girdled snail are recorded from the municipalities of Waterland (two in Monnickendam), Zeevang (four in Kwadijk and one in Oosthuizen) and Edam-Volendam (one in Volendam). Especially after or during light rain this species is activily crawling on the vegetation.