| Reference no. | Hart, J.L., 1973 |
| Ecosystem | Juan de Fuca Strait |
| Status | native |
| Abundance | common (usually seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | From CA-BC. Recorded from Fort Rupert, Union Bay, Departure Bay, Burrard Inlet, and Victoria (Ref. 4925). First definite locality record is based on a specimen taken from the Houston-Stewart Channel in 1885 by Dr. G.M. Dawson and recorded in 1920 by B.A. |