[n = 6]
| Year / Period | From | To | Established | Ecol. effects |
|---|---|---|---|---|
| unknown | Unknown | Taiwan | established | |
| unknown | Unknown | Italy | not established | |
| unknown | Thailand | Côte d'Ivoire | probably not established | |
| unknown | Unknown | Philippines | unknown | |
| unknown | Unknown | Guadiana river basin, southern Iberia | unknown | |
| 1969 | Tropical South-East Asia | United States of America | probably established | unknown |