Native to:
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Burundi,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Repu,
Chad,
Congo,
Egypt,
Eritrea,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Mali,
Mauritania,
Mozambique,
Namibia,
New Guinea,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
South Australia,
Sri Lanka,
Sudan,
Sulawesi,
Swaziland,
Tanzania,
Togo,
Uganda,
West Himalaya,
Western Australia,
Western Sahara,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Afghanistan,
Alabama,
Andaman Is.,
Belize,
Bolivia,
Borneo,
Brazil North,
Bulgaria,
California,
Cambodia,
Caroline Is.,
China South-Central,
China Southeast,
Comoros,
Costa Rica,
Cuba,
Cyprus,
East Himalaya,
El Salvador,
Fiji,
Florida,
French Guiana,
Galápagos,
Georgia,
Greece,
Guatemala,
Guyana,
Hainan,
Honduras,
Iran,
Japan,
Kazakhstan,
Korea,
Krym,
Laos,
Lebanon-Syria,
Libya,
Louisiana,
Malaya,
Marianas,
Massachusetts,
Mauritius,
Mexico Gulf,
Mexico Southwest,
Missouri,
Morocco,
Myanmar,
Nepal,
New Jersey,
New York,
Nicobar Is.,
Ohio,
Oman,
Pakistan,
Pennsylvania,
Peru,
Philippines,
Saudi Arabia,
South Carolina,
South European Russi,
Spain,
Sumatera,
Suriname,
Tadzhikistan,
Texas,
Thailand,
Transcaucasus,
Trinidad-Tobago,
Turkey,
Turkey-in-Europe,
Ukraine,
Uzbekistan,
Venezuela,
Vietnam,
Wisconsin,
Yemen,
Yugoslavia