Native to:
Afghanistan,
Albania,
Aldabra,
Algeria,
Amur,
Andaman Is.,
Angola,
Assam,
Austria,
Baleares,
Baltic States,
Bangladesh,
Belarus,
Belgium,
Benin,
Bismarck Archipelago,
Borneo,
Bulgaria,
Burkina,
Buryatiya,
Cambodia,
Cameroon,
Cape Provinces,
Caroline Is.,
Central African Repu,
Central European Rus,
Chad,
China North-Central,
China South-Central,
China Southeast,
Chita,
Comoros,
Congo,
Corse,
Czechoslovakia,
Denmark,
Djibouti,
East Aegean Is.,
East European Russia,
East Himalaya,
Equatorial Guinea,
Eritrea,
Ethiopia,
Fiji,
Finland,
France,
Gabon,
Germany,
Ghana,
Greece,
Guinea,
Guinea-Bissau,
Gulf of Guinea Is.,
Hainan,
Hungary,
India,
Inner Mongolia,
Iran,
Iraq,
Italy,
Ivory Coast,
Japan,
Jawa,
Kazakhstan,
Kenya,
Khabarovsk,
Korea,
Kriti,
Krym,
KwaZulu-Natal,
Laccadive Is.,
Laos,
Lebanon-Syria,
Lesser Sunda Is.,
Liberia,
Madagascar,
Malawi,
Malaya,
Mali,
Maluku,
Manchuria,
Mauritius,
Mongolia,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nansei-shoto,
Nepal,
Netherlands,
New Caledonia,
New Guinea,
New South Wales,
Nicobar Is.,
Nigeria,
Norfolk Is.,
North Caucasus,
Northern Provinces,
Northern Territory,
Norway,
Pakistan,
Philippines,
Poland,
Portugal,
Primorye,
Qinghai,
Queensland,
Romania,
Rwanda,
Sakhalin,
Saudi Arabia,
Senegal,
Seychelles,
Sierra Leone,
Socotra,
Solomon Is.,
Somalia,
South Australia,
South European Russi,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Swaziland,
Sweden,
Switzerland,
Tadzhikistan,
Taiwan,
Tanzania,
Thailand,
Tibet,
Togo,
Tonga,
Transcaucasus,
Turkey,
Turkey-in-Europe,
Turkmenistan,
Uganda,
Ukraine,
Vanuatu,
Victoria,
Vietnam,
West Himalaya,
West Siberia,
Western Australia,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
British Columbia,
California,
Connecticut,
Illinois,
Indiana,
Kansas,
Kentucky,
Leeward Is.,
Maine,
Maryland,
Massachusetts,
Michigan,
Minnesota,
Missouri,
Nebraska,
New Hampshire,
New Jersey,
New York,
Ohio,
Ontario,
Pennsylvania,
Québec,
Rhode I.,
Réunion,
Vermont,
Windward Is.,
Wisconsin
Recorded in error in:
Sardegna