Invasion

Invasion Description

1st records: Norfolk/VA/Hampton Roads (1904, Mayer 1910); Sandy Hook/NJ/New York Harbor (1904, as B. manhattensis; Mayer 1910)

Geographic Extent

Norfolk/VA/Hampton Roads (1904, Mayer 1910); Baltimore County/MD/Patapsco River (1999, Calder, personal communication, Ruiz et al, unpublished data); Norfolk/VA/Hampton Roads (1921, Cowles et al. 1930); Sandy Hook/NJ/New York Harbor (1904, Mayer 1910); NY-NJ-Hudson River estuary (mesohaline); NJ/Mullica River (Richards 1938); Cohansey Cove-Stony Point/NJ/Delaware Bay (Cronin et al. 1962; Ferrante 1970); Slaughter Beach/DE/Delaware Bay (6/18/10, Harrison et al. 2013, 38 5606.2600N, 75 81 19 26.24W); VA/Mattaponi River (6/11/10, 36 32 26.660N, Harrison et al. 2013, 76 47 21.670 W); VA/James River (2008, Llanso and Sillet 2009, abundant, on hulls of disused ships, 'Pride', 'Scan', and 'Cape Charles', pre and post-cleaning)