Species Regional Summary
Neotrapezium liratum
Alaskan panhandle to N. of Puget Sound ( NEP-III )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Skagit County/WA/Samish Bay (1924, Kinkaid 1947, cited by Carlton 1979, no further reports)

Early records in Samish Bay (1924) and Laysmith Harbor (1951) showed no sign of reproduction (Carlton 1979). It is not clear when the Boundary Bay population (Gillespie et al. 2007) became established

Geographic Extent

Ladysmith, Vancouver Island/British Columbia/Ladysmith Harbor, Georgia Straits (1951, Carl and Giguet 1958, cited by Carlton 1979, no reproduction); British Columbia/Boundary Bay (established, Gillespie et al. 2007); Skagit County/WA/Samish Bay (1924, Kinkaid 1947, cited by Carlton 1979, no further reports)

Vectors

Level Vector
Probable Oyster Accidental

Regional Impacts

References

Full Reference List for Neotrapezium liratum

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