Native to:
Afghanistan,
Alabama,
Aldabra,
Angola,
Argentina Northeast,
Argentina Northwest,
Argentina South,
Arizona,
Arkansas,
Aruba,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bismarck Archipelago,
Bolivia,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Cape Provinces,
Cape Verde,
Cayman Is.,
Central African Republic,
Chad,
Chile Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Comoros,
Congo,
Costa Rica,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Florida,
Free State,
French Guiana,
Galápagos,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Guyana,
Hainan,
Haiti,
Honduras,
Illinois,
India,
Iran,
Ivory Coast,
Jamaica,
Jawa,
Kansas,
Kenya,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Maldives,
Mali,
Maluku,
Marianas,
Mauritania,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Missouri,
Montana,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nebraska,
Nepal,
Netherlands Antilles,
New Guinea,
New Mexico,
New South Wales,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
North Dakota,
Northern Provinces,
Northern Territory,
Ogasawara-shoto,
Oklahoma,
Pakistan,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Qinghai,
Queensland,
Rwanda,
Saudi Arabia,
Senegal,
Socotra,
Somalia,
South Australia,
South China Sea,
South Dakota,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Togo,
Trinidad-Tobago,
Uganda,
Uruguay,
Utah,
Venezuela,
Venezuelan Antilles,
Vietnam,
West Himalaya,
Western Australia,
Windward Is.,
Wyoming,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Fiji,
Hawaii,
Maryland,
New Caledonia,
Réunion,
Vanuatu