Native to:
Angola,
Argentina Northeast,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Botswana,
Brazil West-Central,
Burundi,
Cambodia,
Cameroon,
Central African Repu,
Chad,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Congo,
Costa Rica,
Cuba,
Djibouti,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Florida,
French Guiana,
Gabon,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Honduras,
India,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kenya,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Leeward Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Maluku,
Mauritius,
Mexico Southeast,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
New Guinea,
Nicaragua,
Nigeria,
Northern Provinces,
Oman,
Panamá,
Paraguay,
Peru,
Philippines,
Puerto Rico,
Rwanda,
Réunion,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Somalia,
South China Sea,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Texas,
Thailand,
Togo,
Trinidad-Tobago,
Uganda,
Venezuela,
Vietnam,
Windward Is.,
Yemen,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Brazil Southeast,
Cape Verde,
Caroline Is.,
Cocos (Keeling) Is.,
Comoros,
Cook Is.,
Fiji,
Georgia,
Hawaii,
Kazan-retto,
Korea,
Line Is.,
Madeira,
Maldives,
Marianas,
Marquesas,
Marshall Is.,
Mexico Central,
New Caledonia,
New South Wales,
Niue,
Northern Territory,
Queensland,
Samoa,
Society Is.,
South Carolina,
Tonga,
Tuamotu,
Tubuai Is.,
Vanuatu,
Venezuelan Antilles,
Western Australia