| Reference no. | Hart, J.L., 1973 |
| Ecosystem | Puget Sound |
| Status | introduced |
| Abundance | occasional (usually not seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | From CA-BC. In the late 1800s, two shipments totaling 4432 specimens were released near San Francisco, USA. Ten years later it was widely distributed along the Pacific coast (Ref. 2850). Recorded from Barkley Sound and off Port San Juan. Not recorded fr |