Native to:
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Caprivi Strip,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Comoros,
Ethiopia,
Free State,
Gabon,
Gambia,
Ghana,
Guinea,
Gulf of Guinea Is.,
Hainan,
India,
Ivory Coast,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Mozambique,
Myanmar,
Namibia,
New Guinea,
Nigeria,
Northern Provinces,
Northern Territory,
Philippines,
Queensland,
Rwanda,
Saudi Arabia,
Senegal,
Sierra Leone,
Solomon Is.,
Somalia,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Togo,
Uganda,
Vietnam,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Georgia,
Puerto Rico