Native to:
Andaman Is.,
Angola,
Argentina Northeast,
Assam,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil South,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Ethiopia,
French Guiana,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mexico Gulf,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Caledonia,
New Guinea,
Nicaragua,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Senegal,
Sierra Leone,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Trinidad-Tobago,
Uganda,
Venezuela,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Afghanistan,
Alabama,
Albania,
Algeria,
Arkansas,
Brazil Northeast,
Brazil Southeast,
Bulgaria,
California,
Chile Central,
Comoros,
Cyprus,
Czechoslovakia,
Egypt,
Equatorial Guinea,
Florida,
France,
Georgia,
Greece,
Gulf of Guinea Is.,
Hungary,
Illinois,
Inner Mongolia,
Iran,
Iraq,
Italy,
Jamaica,
Japan,
Kazakhstan,
Khabarovsk,
Korea,
Krym,
Louisiana,
Manchuria,
Mauritius,
Mississippi,
Missouri,
Morocco,
Nansei-shoto,
New South Wales,
Nicobar Is.,
North Carolina,
Oklahoma,
Palestine,
Portugal,
Primorye,
Qinghai,
Romania,
Santa Cruz Is.,
Saudi Arabia,
Seychelles,
South Carolina,
South European Russi,
Spain,
Tadzhikistan,
Tennessee,
Texas,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Ukraine,
Uzbekistan,
Virginia,
Windward Is.,
Xinjiang,
Yemen,
Yugoslavia