Native to:
Afghanistan,
Albania,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Assam,
Baleares,
Bangladesh,
Belize,
Benin,
Bolivia,
Botswana,
Brazil North,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Canary Is.,
Cape Provinces,
Cape Verde,
Caprivi Strip,
Central African Republic,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Cuba,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Fiji,
Florida,
France,
Free State,
Ghana,
Guatemala,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Hawaii,
Honduras,
India,
Iran,
Iraq,
Italy,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Lebanon-Syria,
Leeward Is.,
Lesotho,
Lesser Sunda Is.,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Marianas,
Marquesas,
Mauritania,
Mauritius,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands Antilles,
New Caledonia,
New Guinea,
New Mexico,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
Northern Provinces,
Oman,
Pakistan,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Rodrigues,
Rwanda,
Réunion,
Samoa,
Saudi Arabia,
Senegal,
Seychelles,
Sicilia,
Sierra Leone,
Society Is.,
Socotra,
Somalia,
South China Sea,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Switzerland,
Taiwan,
Tanzania,
Texas,
Thailand,
Tibet,
Togo,
Tonga,
Tunisia,
Uganda,
Vietnam,
West Himalaya,
Windward Is.,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Ascension,
Cook Is.,
Venezuela,
Wallis-Futuna Is.