Native to:
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Burkina,
Cambodia,
Cape Provinces,
Chad,
China North-Central,
China South-Central,
China Southeast,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
India,
Inner Mongolia,
Jawa,
Kazakhstan,
Korea,
KwaZulu-Natal,
Laos,
Madagascar,
Malawi,
Mali,
Manchuria,
Mauritania,
Mozambique,
Myanmar,
Namibia,
Nepal,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Philippines,
Qinghai,
Queensland,
Senegal,
South Australia,
Sri Lanka,
Sudan,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Victoria,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Idaho,
Japan,
Khabarovsk,
Magadan,
Mauritius,
Réunion