Native to:
Albania,
Algeria,
Angola,
Assam,
Bangladesh,
Benin,
Botswana,
Bulgaria,
Burkina,
Burundi,
Cambodia,
Cameroon,
Cape Provinces,
Central African Republic,
Chad,
China South-Central,
Congo,
Cyprus,
Djibouti,
East Aegean Is.,
East Himalaya,
Egypt,
Eritrea,
Ethiopia,
Free State,
Gambia,
Ghana,
Greece,
Guinea,
Guinea-Bissau,
Hainan,
India,
Iran,
Iraq,
Italy,
Ivory Coast,
Jawa,
Kenya,
Kriti,
KwaZulu-Natal,
Laos,
Lebanon-Syria,
Lesser Sunda Is.,
Malawi,
Mali,
Mauritania,
Morocco,
Mozambique,
Myanmar,
Namibia,
Nepal,
New South Wales,
Niger,
Nigeria,
Northern Provinces,
Northern Territory,
Oman,
Pakistan,
Palestine,
Philippines,
Portugal,
Queensland,
Romania,
Sardegna,
Saudi Arabia,
Senegal,
Sicilia,
Sierra Leone,
Socotra,
Somalia,
South Australia,
Spain,
Sri Lanka,
Sudan,
Sulawesi,
Sumatera,
Taiwan,
Tanzania,
Thailand,
Transcaucasus,
Tunisia,
Turkey,
Uganda,
Victoria,
Vietnam,
Western Australia,
Yemen,
Yugoslavia,
Zambia,
Zaïre,
Zimbabwe
Introduced into:
Argentina Northeast,
Arkansas,
California,
Kansas,
Louisiana,
Mexico Northwest,
Missouri,
Oklahoma,
Texas