| Reference no. | Winkler, H.M., K. Skora, R. Repecka, M. Ploks, A. Neelov, L. Urho, A. Gushin and H. Jespersen, 2000 |
| Ecosystem | Baltic Sea |
| Status | questionable |
| Abundance | common (usually seen) |
| Lifestage | adults |
| Regional database | |
| Remarks | Only in the western Baltic (Ref. 6114). Reported absent in the area in Ref. 59043. |