Invasion

Invasion Description

1st Records: Grasonville/MD/Eastern Bay (1952, Morrison 1954)

Geographic Extent

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)