| Reference no. | Carl, G.C., W.A. Clemens and C.C. Lindsey, 1959 |
| Ecosystem | Juan de Fuca Strait |
| Status | native |
| Abundance | |
| Lifestage | adults |
| Regional database | |
| Remarks | From CA-BC. Marine records from southern British Columbia and the west coast of Vancouver Island (Ref. 6885). Freshwater records from the Fraser, Stikine, Taku, Skeena and Nass Rivers (Ref. 10882). Rarely seen (Ref. 33054). Also Ref. 95143. |