Native to:
Afghanistan,
Alabama,
Aldabra,
Angola,
Argentina Northeast,
Arizona,
Arkansas,
Aruba,
Bahamas,
Belize,
Benin,
Bermuda,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
Cabinda,
California,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Caroline Is.,
Cayman Is.,
Central African Repu,
Chad,
Chagos Archipelago,
China North-Central,
China South-Central,
China Southeast,
Christmas I.,
Cocos (Keeling) Is.,
Colombia,
Comoros,
Congo,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
Ecuador,
Egypt,
El Salvador,
Equatorial Guinea,
Ethiopia,
Fiji,
Florida,
Free State,
French Guiana,
Gabon,
Galápagos,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Haiti,
Hawaii,
Honduras,
Illinois,
India,
Iowa,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kansas,
Kentucky,
Kenya,
Khabarovsk,
KwaZulu-Natal,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Manchuria,
Maryland,
Mauritania,
Mauritius,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Mississippi,
Missouri,
Mozambique,
Mozambique Channel I,
Namibia,
Nebraska,
Nepal,
Netherlands Antilles,
New Caledonia,
New Mexico,
Nicaragua,
Niger,
Nigeria,
North Carolina,
Northern Provinces,
Northern Territory,
Oklahoma,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Qinghai,
Queensland,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Senegal,
Seychelles,
Sierra Leone,
South Carolina,
Southwest Caribbean,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Togo,
Tonga,
Trinidad-Tobago,
Turks-Caicos Is.,
Uganda,
Venezuela,
Venezuelan Antilles,
Virginia,
West Himalaya,
Western Australia,
Windward Is.,
Wisconsin,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Greece