Invasion

Invasion Description

1st Record: near Long Point/Ontario/Lake Erie (1994, Center for Aquatic Resource Studies 2008)

Geographic Extent

Amherstberg/Ontario/Detroit River (1995, Witt et al. 1997); near Long Point/Ontario/Lake Erie (1994, USGS Nonindigenous Aquatic Species Program 2016); Lambton Hydro Plant-Amherstberg/Ontario/St. Clair River-Lake St. Clair-Detroit River (1996, Dermott et al. 1998); Colchester Point-Port Colborne/Ontario/Lake Erie (entire length of lake) (1996, Dermott et al. 1998)