This is a list of described Culex species around the world, as of 2006. Subspecies have been omitted. There are possibly errors and inaccuracies in this list that stem from the conversion from the source. Please check the original source when in doubt.
Subgenus Acalleomyia Leicester
Culex obscurus (Leicester, 1908) — Indonesia, Malaysia
Subgenus Acallyntrum Stone & Penn
Culex axillicola Steffan, 1979 — Papua New Guinea
Culex belkini Stone & Penn, 1948 — Solomon Islands
Culex bicki Stone & Penn, 1947 — Indonesia
Culex binigrolineatus Knight & Rozeboom, 1945 — Indonesia
Culex bougainvillensis Steffan, 1979 — Solomon Islands
Culex miyagii Mogi & Toma, 1999 — Indonesia
Culex pallidiceps (Theobald, 1905) — Papua New Guinea
Culex perkinsi Stone & Penn, 1948 — Solomon Islands
Subgenus Aedinus Lutz
Culex accelerans Root, 1927 — Brazil, Panama, Trinidad and Tobago, French Guiana
Culex amazonensis (Lutz, 1905) — Brazil, Colombia, Panama, Suriname, Trinidad and Tobago, Venezuela, French Guiana Culex clastrieri Casal & Garcia, 1968 — Brazil Culex guyanensis Clastrier, 1970 — French Guiana Culex hildebrandi Evans, 1923 Culex paraplesia Dyar, 1922 Culex tapena Dyar, 1919
Subgenus Afroculex Danilov
Culex lineata (Theobald, 1912) — Mozambique, South Africa
Subgenus Allimanta Casal & Garcia
Culex tramazayguesi Duret, 1954 — Argentina
Subgenus Anoedioporpa Dyar
Culex bamborum Rozeboom & Komp, 1948 — Colombia
Culex belemensis Duret & Damasceno, 1955 — Brazil, French Guiana
Culex bifoliata Dyar, 1922
Culex browni Komp, 1936 — Colombia, Panama
Culex canaanensis Lane & Whitman, 1943 — Brazil
Culex chaguanco Casal, Garcia, & Fernandez, 1968 — Argentina
Culex chalcocorystes Martini, 1914
Culex conservator Dyar & Knab, 1906 — Belize, Brazil, Colombia, Costa Rica, Guatemala, Honduras, Mexico, Panama, Peru, Suriname, Trinidad and Tobago, Venezuela, Lesser Antilles Culex corrigani Dyar & Knab, 1907 — Colombia, Costa Rica, Nicaragua, Panama Culex damascenoi Duret, 1969 — Brazil Culex divisior Dyar & Knab, 1906 Culex luteopleurus (Theobald, 1903) — Brazil Culex menui Clastrier, 1971 — French Guiana Culex originator Gordon & Evans, 1922 — Brazil, Grenada, French Guiana Culex paganus Evans, 1923 — Brazil, Venezuela Culex quasioriginator Duret, 1972 — Brazil Culex restrictor Dyar & Knab, 1906 — Belize, Costa Rica, El Salvador, Honduras, Mexico, Panama Culex surukumensis Anduze, 1941
Subgenus Barraudius Edwards
Culex modestus Ficalbi, 1889 — Algeria, China, Czech Republic, Greece, Hungary, Iran, Iraq, Israel, Italy, Mongolia, Morocco, Poland, Romania, Russia, Slovakia, Spain, Tajikistan, Turkey, United Kingdom Culex eadithae Barraud, 1924 Culex nudipalpis Shingarev, 1927 Culex tanajcus Stschelkanovzev, 1926 — Japan, Korea Culex pusillus Macquart, 1850 — Algeria, Egypt, Greece, Iran, Iraq, Libya, Saudi Arabia, Sudan, Syria, Tajikistan, Tunisia, Turkey, Turkmenistan, United Arab Emirates, Uzbekistan Culex richeti Brunhes & Venhard, 1966 — Nigeria