Native to:
Afghanistan,
Angola,
Assam,
Benin,
Botswana,
Burkina,
Cambodia,
Cameroon,
Cape Provinces,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Djibouti,
Eritrea,
Ethiopia,
Free State,
Ghana,
Guinea,
Hainan,
India,
Ivory Coast,
Japan,
Jawa,
Kenya,
Korea,
KwaZulu-Natal,
Laccadive Is.,
Lesotho,
Manchuria,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Philippines,
Queensland,
Saudi Arabia,
Socotra,
Sri Lanka,
Sudan,
Taiwan,
Tanzania,
Thailand,
Tonga,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Cape Verde,
Fiji,
France,
Gabon,
Great Britain,
Madeira,
Réunion