Invasion

Invasion Description

1st Record: Harpswell, Bailey Island/ME/Casco Bay (1994, Mathieson et al. 2001)

Geographic Extent

Cape Elizabeth/ME/Dyers Cove, Casco Bay (2010, Massachusetts Office of Coastal Zone Management 2013); Wilbur's Neck, Wharton Point/ME/Maquoit Bay (Casco Bay) (1995, Mathieson et al. 2001) ; Harpswell, Bailey Island/ME/Casco Bay (1994, Mathieson et al. 2001);