[n = 17]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Spain | not established | |
| unknown | Unknown | Latvia | unknown | |
| unknown | Switzerland | France | established | |
| unknown | Scandinavia | France | established | |
| 2000 - 2005 | Unknown | Turkey | unknown | |
| 1603 | Unknown | Poland | not established | |
| 1759 | Unknown | Czech Republic | not established | no data |
| 1866 | Unknown | Italy | established | unknown |
| 1900 | Unknown | Netherlands | not established | |
| 1928 | Switzerland | Yugoslavia (SerbiaMontenegro) | established | |
| 1928 | Austria | Yugoslavia (SerbiaMontenegro) | established | |
| 1948 | France | Morocco | not established | |
| 1955 | Unknown | Denmark | not established | |
| 1970 | UK | Cyprus | not established | |
| 1971 | Iceland | Ireland | probably not established | unknown |
| 1990 | Sweden | Germany | unknown | unknown |
| 1991 | France | Kerguelen Is. | established | probably some |