Native to:
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Congo,
Ethiopia,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Japan,
Kenya,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Marianas,
Mauritania,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Guinea,
Niger,
Nigeria,
Philippines,
Qinghai,
Queensland,
Senegal,
Sierra Leone,
Solomon Is.,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Andaman Is.,
Arkansas,
Fiji,
Florida,
Georgia,
Illinois,
Korea,
Louisiana,
Maryland,
Mauritius,
Mississippi,
Nicobar Is.,
North Carolina,
Panamá,
Réunion,
South Carolina,
Texas