| Reference no. | Wrobel, D. and C.E. Mills, 1998 |
| Ecosystem | Cold Temperate Northwest Atlantic |
| Status | native |
| Abundance | occasional (usually not seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | Occasionally seen in inland waters of Washington in the late spring, also known from Monterey Bay (Ref. 2376). |