Invasion

Invasion Description

1st Records: Isle of Wight/England/English Channel (Lincoln 1979); Norfolk-Lincolnshire/England/The Wash (North Sea) (Lincoln 1979). Previously, J. marmorata was not distinguished from the presumably native J. falcata (Lincoln 1979).

Geographic Extent

Orkney Island/Scotland/North Sea (2012-2017, Kakonnen et al. 2018); Kirkwall Hatson, Mainland, Orkneys/Scotland/North Sea (2012, Nall et al. 2014); Isle of Wight/England/English Channel (Lincoln 1979); Norfolk-Lincolnshire/England/The Wash (North Sea) (Lincoln 1979); Millport/Scotland/Firth of Clyde (Conlan 1990); Helgoland/Germany/North Sea (Conlan 1990; Karez and Ludynia 2003); Netherlands/Wadden Sea (1993, Gittenberger et al. 2010); Emden-Wilhelmhaven/Germany/Wadden Sea (2014, Rohde et al. 2017); Hirtshals/Denmark/Skagerrak (Conlan 1990)