Native to:
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Assam,
Bangladesh,
Belize,
Benin,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burundi,
Cabinda,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Cayman Is.,
Central African Repu,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Congo,
Cook Is.,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Equatorial Guinea,
Ethiopia,
Fiji,
French Guiana,
Gabon,
Gambia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kazan-retto,
Kenya,
Kermadec Is.,
Korea,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Marquesas,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Nansei-shoto,
Nepal,
New Caledonia,
New Guinea,
New South Wales,
New Zealand North,
New Zealand South,
Nicaragua,
Nicobar Is.,
Nigeria,
Niue,
Norfolk Is.,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Réunion,
Samoa,
Santa Cruz Is.,
Sierra Leone,
Society Is.,
Solomon Is.,
Southwest Caribbean,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Trinidad-Tobago,
Tubuai Is.,
Uganda,
Uruguay,
Vanuatu,
Venezuela,
Venezuelan Antilles,
Vietnam,
Wallis-Futuna Is.,
West Himalaya,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Ascension,
Christmas I.,
Florida,
Galápagos,
Maldives,
Seychelles