[n = 6]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Fiji | unknown | |
| unknown | Unknown | Puerto Rico | probably established | |
| unknown | Unknown | Russia | probably not established | |
| unknown | unknown | Saudi Arabia | established | unknown |
| unknown | Unknown | USA | unknown | |
| 1972 | Africa | United States of America | established | unknown |