Invasion

Invasion Description

1st Record: Harlem/NY/Harlem River (DeKay 1843, cited by Bequaert 1943, 'clinging to the stems of salt grass')

Geographic Extent

Harlem/NY/Harlem River (DeKay 1843, cited by Bequaert 1943), 'clinging to the stems of salt grass'); Stratford/CT/Long Island Sound (Linsley 1845, cited by Bequaert 1943, 'on high sedge'); New Haven/CT/New Haven Harbor (Perkins 1869, 'not at all common') Huntington/NY/Long Island Sound (Smith and Prime 1870, 'a few dead shells in the grass above high water mark'); Orient, Long Island/NY/Long Island Sound (1933, Bequaert 1943, 'a few living shells'); CT/Long Island Sound (Stimpson, cited by Gould 1870)