[n = 4]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Hawaii | established | unknown |
| 1990 - 1995 | USA | Puerto Rico | established | some |
| 2000 - 2004 | Unknown | Singapore | established | unknown |
| 1990 | Central America | United States of America | not established | unknown |