Native to:
Afghanistan,
Andaman Is.,
Angola,
Assam,
Bangladesh,
Benin,
Borneo,
Botswana,
Burkina,
Burundi,
Cambodia,
Cameroon,
Central African Republic,
Chad,
China North-Central,
China South-Central,
China Southeast,
Comoros,
DR Congo,
East Himalaya,
Eritrea,
Ethiopia,
Florida,
Gabon,
Gambia,
Ghana,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
India,
Iran,
Ivory Coast,
Japan,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Madagascar,
Malawi,
Mali,
Manchuria,
Mauritania,
Mexico Northeast,
Mexico Southeast,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New South Wales,
Nicobar Is.,
Niger,
Nigeria,
North Carolina,
Northern Provinces,
Northern Territory,
Pakistan,
Queensland,
Rwanda,
Senegal,
Somalia,
South Australia,
Sri Lanka,
Sudan-South Sudan,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Uganda,
Vietnam,
West Himalaya,
Western Australia,
Zambia,
Zimbabwe
Introduced into:
Alabama,
Brazil South,
Caroline Is.,
Ecuador,
Fiji,
Greece,
Guinea,
Jawa,
Lesser Sunda Is.,
Malaya,
Marianas,
Mauritius,
New Caledonia,
New Guinea,
Philippines,
Puerto Rico,
Rodrigues,
Réunion,
Samoa,
Society Is.,
Sulawesi,
Sumatera