Invasion
Invasion Description
1st record: Grasonville/MD/Eastern Bay (1952-1953, Morrison 1954, Wass 1972)
Geographic Extent
Hog Island/NJ/Mullica River (Great Bay) (1998, Angradi et al. 2001); Bombay Hook National Wildlife Refuge/DE/Delaware Bay (Morrison 1954); Bombay Hook National Wildlife Refuge/DE/Delaware Bay; Cumberland County/NJ/Delaware Bay (1954, US National M8useum of Natural History collections); Lewes/DE/Canary Creek Marsh (Delaware Bay) (1975, Leathem et al. 1976; Kat 1982); MD/Chester River (Posey et al. 2003); Grasonville/MD/Eastern Bay (1952-1953, Morrison 1954, Wass 1972); Queen Anne's County/MD/Prospect Bay (Posey et al. 2003); Deale/MD/Herring Bay (1952-1953, Morrison 1954, Wass 1972); Dailsville/MD/Little Choptank River (1952-1953, Morrison 1954, Wass 1972); Sollers/MD/Patuxent River (1952-1953, Morrison 1954, Wass 1972); Mollusk/VA/Greenvale Creek (Rappahannock River) (1952-1953, Morrison 1954, Wass 1972); Saxis (Accomack County)/VA/Pocomoke Sound (1952-1953, Morrison 1954, Wass 1972); Bayford (Northampton County)/VA/Chesapeake Bay (1952-1953, Morrison 1954, Wass 1972); Assateague Island/MD-VA/Chincoteague Bay (Prezant et al. 2002);
Vectors
Level | Vector |
---|---|
Probable | Canal |
Alternate | Dry Ballast |
Alternate | Unknown Vector |