Invasion

Invasion Description

1st Record: Haverstraw/NY/Hudson River (1988, Carlton 1990; Mills et al. 1997)

Geographic Extent

Haverstraw/NY/Hudson River (1988, Carlton 1990; Mills et al. 1997); Newburgh/NY/Hudson River (Strayer 2006); NY/Tappan Zee, Hudson River (Strayer 2006; 2006,-2009, New York State Department of Transportation 2012)