Invasion
Invasion Description
1st Record: King George County/VA/Machodoc Creek (Potomac River) (Wass 1963; Calder 1972)
Geographic Extent
King George County/VA/Machodoc Creek (Potomac River) (Wass 1963; Calder 1972); Edgewater/MD/Rhode River (Posey et al. 1991, Abundant in Fall 1987- summer 1988; Posey and Hines 1991; not seen since, Hines et al. unpublished data).
Vectors
| Level | Vector |
|---|---|
| Alternate | Oyster Accidental |
| Alternate | Hull Fouling |
| Alternate | Ballast Water |