Invasion

Invasion Description

1st Records: near Terneuzen/Netherlands/Canal Ghent-Terneuzen (10/2/2009, Capa et al. 2014, brackish canal, 51°18'55"; °49'32" ); near Sluiskil/Netherlands/Canal Ghent-Terneuzen ( (10/2/2009, Capa et al. 2014, brackish canal, 51°17'09"; 3°50'14"). European specimens have been re-identified as Laonome xeprovala sp. nov., a new species of unknown origin.

Geographic Extent

Amsterdam area/Netherlands/Noordzeekanaal (at Zijkanaal H) (10/7/2009, Capa et al. 2014, brackish canal, 52°25'12", 6°51'34")); at Roeterwaard/Netherlands/River IJssel (5/15/2012, Capa et al. 2014, 52°21'33", 6°04'49", fnontidal freshwater river; Terneuzen/Netherlands/Canal Ghent-Terneuzen (10/2/2009, Capa et al. 2014, brackish canal, 51°18'55"; °49'32" ); near Sluiskil/Netherlands/Canal Ghent-Terneuzen ( (10/2/2009, Capa et al. 2014, brackish canal, 51°17'09"; 3°50'14"); near Eijsden/Netherlands/River Meuse (10/26/2010, Capa et al. 2014, nontidal freshwater river, 50°46'46" ; 5°41'59" )