Native to:
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Aruba,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cape Verde,
Caprivi Strip,
Cayman Is.,
Chad,
Chile North,
Colombia,
Costa Rica,
Cuba,
Djibouti,
Dominican Republic,
East Himalaya,
El Salvador,
Eritrea,
Ethiopia,
Florida,
Free State,
French Guiana,
Galápagos,
Gambia,
Ghana,
Guatemala,
Guinea,
Gulf of Guinea Is.,
Guyana,
Haiti,
Honduras,
India,
Iran,
Ivory Coast,
Jamaica,
Kenya,
KwaZulu-Natal,
Leeward Is.,
Louisiana,
Madagascar,
Malawi,
Mali,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mozambique,
Myanmar,
Namibia,
Netherlands Antilles,
Nicaragua,
Niger,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Palestine,
Panamá,
Paraguay,
Peru,
Puerto Rico,
Rodrigues,
Rwanda,
Réunion,
Senegal,
Sierra Leone,
Somalia,
Sudan,
Tanzania,
Texas,
Togo,
Transcaucasus,
Trinidad-Tobago,
Turks-Caicos Is.,
Uruguay,
Venezuela,
Venezuelan Antilles,
West Himalaya,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Alabama,
Arkansas,
Belgium,
Caroline Is.,
Czechoslovakia,
District of Columbia,
Egypt,
Georgia,
Hawaii,
Illinois,
Indiana,
Iowa,
Japan,
Kansas,
Kentucky,
Korea,
Marianas,
Marquesas,
Maryland,
Massachusetts,
Michigan,
Mississippi,
Missouri,
Nansei-shoto,
Nauru,
Nebraska,
New Caledonia,
New Jersey,
New York,
North Carolina,
Ohio,
Oklahoma,
Ontario,
Pennsylvania,
Primorye,
Sicilia,
Society Is.,
South Carolina,
Sri Lanka,
Tennessee,
Tonga,
Tuamotu,
Virginia,
West Virginia