Native to:
Alabama,
Albania,
Algeria,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Assam,
Austria,
Bahamas,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Belize,
Benin,
Bermuda,
Bismarck Archipelago,
Bolivia,
Borneo,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
Bulgaria,
Burkina,
Burundi,
Cabinda,
California,
Cambodia,
Cameroon,
Canary Is.,
Central African Republic,
Central European Russia,
Chad,
Chile Central,
Chile North,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Comoros,
Congo,
Connecticut,
Corse,
Costa Rica,
Cuba,
Cyprus,
Czechoslovakia,
Delaware,
District of Columbia,
Djibouti,
Dominican Republic,
East Aegean Is.,
East European Russia,
East Himalaya,
Ecuador,
El Salvador,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
Florida,
France,
French Guiana,
Gabon,
Georgia,
Germany,
Ghana,
Greece,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Gulf States,
Guyana,
Hainan,
Haiti,
Honduras,
Hungary,
Illinois,
India,
Indiana,
Inner Mongolia,
Iowa,
Iran,
Iraq,
Italy,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kansas,
Kazakhstan,
Kentucky,
Kenya,
Khabarovsk,
Korea,
Kriti,
Krym,
Laos,
Lebanon-Syria,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Madeira,
Malawi,
Malaya,
Mali,
Maluku,
Manchuria,
Maryland,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Mississippi,
Missouri,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New Guinea,
New Jersey,
New Mexico,
New South Wales,
New York,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
North Carolina,
North Caucasus,
Northern Territory,
Northwest European Russia,
Ohio,
Oklahoma,
Oman,
Ontario,
Pakistan,
Palestine,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Poland,
Portugal,
Primorye,
Puerto Rico,
Queensland,
Romania,
Rwanda,
Samoa,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sierra Leone,
Sinai,
Solomon Is.,
Somalia,
South Carolina,
South European Russia,
Southwest Caribbean,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Switzerland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Transcaucasus,
Trinidad-Tobago,
Tunisia,
Turkey,
Turkey-in-Europe,
Uganda,
Ukraine,
Uruguay,
Vanuatu,
Venezuela,
Vermont,
Vietnam,
Virginia,
West Himalaya,
West Virginia,
Western Australia,
Windward Is.,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Christmas I.,
Cook Is.,
Denmark,
Galápagos,
Gambia,
Great Britain,
Hawaii,
KwaZulu-Natal,
Marianas,
Massachusetts,
Mauritius,
New Caledonia,
Northern Provinces,
Norway,
Québec,
Réunion,
Society Is.,
Sweden,
Tonga,
Tuamotu,
Uzbekistan,
Venezuelan Antilles