Native to:
Afghanistan,
Algeria,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Bismarck Archipelago,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Djibouti,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
Ghana,
Guinea,
Hainan,
India,
Inner Mongolia,
Ivory Coast,
Japan,
Jawa,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Philippines,
Queensland,
Rwanda,
Saudi Arabia,
Senegal,
Socotra,
Solomon Is.,
Somalia,
South Australia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Tasmania,
Thailand,
Tibet,
Tunisia,
Turkey,
Uganda,
Vanuatu,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Argentina Northeast,
Argentina Northwest,
Brazil South,
California,
Comoros,
Cuba,
Dominican Republic,
Fiji,
Florida,
France,
Haiti,
Hawaii,
Honduras,
Iraq,
Jamaica,
Kansas,
Leeward Is.,
Louisiana,
Maryland,
Mauritius,
Mexico Central,
New Zealand North,
New Zealand South,
Oman,
Puerto Rico,
Rodrigues,
Réunion,
Seychelles,
Virginia,
Windward Is.