| संदर्भ अंक | Hart, J.L., 1973 |
| परितंत्र | Juan de Fuca Strait |
| दर्जा | native |
| बहुतायत | scarce (very unlikely) |
| Lifestage | adults |
| Regional database | |
| Remarks | From CA-BC. Occurrence in British Columbia is based on a single record from Mayne Bay in Barkley Sound. Also Ref. 4925, 2850. |