Invasion
Invasion Description
1st Record: Lopez Island (San Juan Islands)/WA/Spencer's Spit Lagoon, Puget Sound (1986, Gibson and Chia 1989a, type location, H. callidigenita)
Geographic Extent
Lopez Island (San Juan Islands)/WA/Spencer's Spit Lagoon, Puget Sound (1986, Gibson and Chia 1989a, type location, H. callidigenita); Rock Point, Lopez Island (San Juan Islands)/WA/Samish Bay, Puget Sound (1986, Gibson and Chia 1989a)
Vectors
| Level | Vector |
|---|---|
| Alternate | Ballast Water |
| Alternate | Hull Fouling |
| Alternate | Oyster Accidental |