[n = 7]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Canada | probably not established | |
| unknown | Unknown | Guyana | probably not established | |
| unknown | Unknown | Israel | probably not established | |
| unknown | Unknown | Spain | unknown | |
| 1920 - 1929 | Unknown | Philippines | unknown | |
| 1964 | unknown | United States of America | probably not established | unknown |
| 1968 | Guyana | Suriname | probably established |