Native to:
Arizona,
Belize,
Costa Rica,
El Salvador,
Guatemala,
Honduras,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Nicaragua,
Panamá
Introduced into:
Andaman Is.,
Angola,
Assam,
Bahamas,
Bangladesh,
Benin,
Bolivia,
Botswana,
Burundi,
Cameroon,
Canary Is.,
Caroline Is.,
Central African Republic,
Chad,
China South-Central,
China Southeast,
Christmas I.,
Colombia,
Comoros,
Cook Is.,
Cuba,
Dominican Republic,
East Himalaya,
Ecuador,
Ethiopia,
Fiji,
Florida,
Gabon,
Guinea,
Haiti,
Hawaii,
India,
Jamaica,
Jawa,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Leeward Is.,
Louisiana,
Madeira,
Malawi,
Malaya,
Maldives,
Marianas,
Marquesas,
Mauritius,
Mozambique,
Myanmar,
Namibia,
Nepal,
New Guinea,
New South Wales,
Nicobar Is.,
Nigeria,
Niue,
Northern Provinces,
Northern Territory,
Pakistan,
Peru,
Philippines,
Puerto Rico,
Queensland,
Rwanda,
Réunion,
Samoa,
Seychelles,
Society Is.,
South European Russia,
Sri Lanka,
Sudan,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Tuamotu,
Tubuai Is.,
Tunisia,
Uganda,
Vanuatu,
Venezuela,
Vietnam,
Windward Is.,
Zambia,
Zaïre,
Zimbabwe