Native to:
Angola,
Argentina Northeast,
Argentina Northwest,
Assam,
Bangladesh,
Belize,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil West-Central,
Burkina,
Burundi,
Cambodia,
Cameroon,
Caprivi Strip,
Caroline Is.,
Central African Repu,
Chad,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
Egypt,
Ethiopia,
Florida,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guyana,
Hainan,
Haiti,
India,
Ivory Coast,
Jamaica,
Jawa,
Kenya,
KwaZulu-Natal,
Laos,
Lesser Sunda Is.,
Malawi,
Malaya,
Mali,
Maluku,
Mauritania,
Mexico Gulf,
Mexico Northeast,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Senegal,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Taiwan,
Tanzania,
Texas,
Thailand,
Tibet,
Trinidad-Tobago,
Uganda,
Venezuela,
Vietnam,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Galápagos