Invasion
Invasion Description
1st Record: Greenwich Dock, San Francisco/CA/San Francisco Bay (Arnold 1873, cited by Carlton 1979)
Geographic Extent
Greenwich Dock, San Francisco/CA/San Francisco Bay (Arnold 1873, cited by Carlton 1979) Pier 39, San Francisco/CA/San Francisco Bay (Cohen et al. 2005); San Francisco/CA/San Francisco Bay (Menzies 1957; Wallour 1960; Cohen and Carlton 1995; ); CA/South San Francisco bay (Wallour 1960); Yerba Buena CA/San Francisco Bay (Wallour 1960)
Vectors
| Level | Vector |
|---|---|
| Probable | Hull Fouling |
Regional Impacts
| Economic Impact | Shipping/Boating | |
| Gribble damage to piers in San Francisco Bay was first reported in 1873, and was probably due to L. quadripunctata (Arnold 1873, cited by Carlton 1979). | ||