Native to:
Alabama,
Alberta,
Andaman Is.,
Angola,
Argentina Northeast,
Argentina Northwest,
Arizona,
Arkansas,
Assam,
Bahamas,
Bangladesh,
Belize,
Benin,
Bolivia,
Borneo,
Botswana,
Brazil North,
Brazil Northeast,
Brazil South,
Brazil Southeast,
Brazil West-Central,
British Columbia,
Burkina,
Burundi,
California,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Central African Repu,
Chad,
Chile Central,
China North-Central,
China South-Central,
China Southeast,
Colombia,
Colorado,
Comoros,
Congo,
Connecticut,
Costa Rica,
Cuba,
Delaware,
District of Columbia,
Dominican Republic,
East Himalaya,
Ecuador,
El Salvador,
Eritrea,
Ethiopia,
Florida,
French Guiana,
Gabon,
Gambia,
Georgia,
Ghana,
Guatemala,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Guyana,
Hainan,
Haiti,
Honduras,
Idaho,
Illinois,
India,
Indiana,
Iowa,
Ivory Coast,
Jamaica,
Japan,
Jawa,
Kansas,
Kentucky,
Kenya,
Korea,
KwaZulu-Natal,
Laos,
Leeward Is.,
Lesser Sunda Is.,
Liberia,
Louisiana,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Manitoba,
Marianas,
Maryland,
Massachusetts,
Mauritania,
Mexican Pacific Is.,
Mexico Central,
Mexico Gulf,
Mexico Northeast,
Mexico Northwest,
Mexico Southeast,
Mexico Southwest,
Michigan,
Minnesota,
Mississippi,
Missouri,
Montana,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nebraska,
Nepal,
Netherlands Antilles,
New Brunswick,
New Caledonia,
New Guinea,
New Hampshire,
New Jersey,
New Mexico,
New York,
Nicaragua,
Nicobar Is.,
Niger,
Nigeria,
North Carolina,
North Dakota,
Northern Provinces,
Northern Territory,
Nova Scotia,
Ohio,
Oklahoma,
Oman,
Ontario,
Panamá,
Paraguay,
Pennsylvania,
Peru,
Philippines,
Puerto Rico,
Queensland,
Québec,
Rhode I.,
Rwanda,
Saskatchewan,
Senegal,
Sierra Leone,
South Carolina,
South Dakota,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Suriname,
Swaziland,
Taiwan,
Tanzania,
Tennessee,
Texas,
Thailand,
Tibet,
Togo,
Trinidad-Tobago,
Turks-Caicos Is.,
Uganda,
Uruguay,
Utah,
Venezuela,
Vermont,
Vietnam,
Virginia,
Washington,
West Himalaya,
West Virginia,
Western Australia,
Windward Is.,
Wisconsin,
Wyoming,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Chagos Archipelago,
Hawaii,
Pakistan