Aedes (Adm.) vexans


  • (Meigen)
  • 1830b:241 (F; Culex)
  • Berlin, Germany (MNHP)



Afghanistan, Algeria, Australia, Austria, Bangladesh, Belgium, Belize, Bosnia and Herzegovina, Bulgaria, Cambodia, Canada, China, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Guatemala, Hungary, India, Indonesia, Iran, Iraq, Italy, Kiribati, Korea, South, Laos, Latvia, Liberia, Libya, Lithuania, Macedonia, Malaysia, Mauritania, Mexico, Micronesia, Federated States of, Mongolia, Morocco, Myanmar (Burma), Nepal, Netherlands, Norway, Pakistan, Poland, Portugal, Romania, Russia, Samoa (Ind. State of Samoa, American Samoa, Western Samoa), Slovakia, Slovenia, South Africa, Spain, Sri Lanka, Sweden, Switzerland, Taiwan, Tajikistan, Thailand, Turkey, Tuvalu, Ukraine, United Kingdom (includes Guernsey, Jersey, Isle of Man), United States, contiguous lower 48, Vanuatu, Vietnam, Yemen, Yugoslavia (Serbia and Montenegro)


  • articulatus Rondani
    • 1872:30 (Culex)
    • Type-loc: Italy (LU)
  • eruthrosops Theobald
    • 1910c:299 (F*; Culicada)
    • Type-loc: Trincomalee, Ceylon (BM)
    • Knight and Hull 1953:463 (syn.)
  • euochrus Howard, Dyar and Knab
    • 1917:716 (F)
    • Type-loc: Popcum, British Columbia, Canada (USNM)
  • malariae Grassi
    • 1898:168 (M; Culex)
    • Type-loc: Italy (LU)
  • minuta Theobald
    • 1907:338 (F*; Culicada)
    • Type-loc: India (BM)
  • montcalmi Blanchard
    • 1905:307 (nom. nov. for sylvestris Theobald, non silvestris Ross 1898; Culex).
  • niger Theobald
    • 1913b:164 (A; Culex nocturnus var.)
    • Type-loc: Canala, New Caledonia (B)
    • Reinert 1973e:66 (syn.)
  • parvus Macquart
    • 1834:36 (Culex)
    • Type-loc: Bordeaux, [Gironde], France (NE)
  • sudanensis Theobald
    • 1911c:154 (M*, F*; Culex)
    • Type-loc: Sudan (BM)
    • Edwards 1941:195 (syn.)
    • White 1975:309 (syn.; lectotype desig.)
  • sylvestris Theobald
    • 1901a:406 (M*, F*; Culex)
    • Type-loc: Rondeau Provincial Park, Kent Co., and Lake Simcoe, Ontario; Stony Mt., Manitoba, Canada (BM)


Immatures are found in unshaded fresh water flood pools in secondary scrub, but have also been collected in ditches, swamps, rice fields, and elephant foot prints. Habitats usually have little aquatic vegetation or algae. Females are night biters and readily feed on man and cattle (Reinert 1973).

Medical Importance

Capable of transmitting Eastern equine encephalitis virus (EEE), Western equine encephalitis virus (WEE), SLE, West Nile Virus (WNV) (Turell et al. 2005:60). It is also a vector of dog heartworm (Reinert 1973).

Culicidae » Culicinae » Aedini » Aedes » Aedimorphus
habitus image

Photo credit: J. Stoffer, WRBU.

Additional References

  • Barraud 1934:253 (M*, F, L)
  • Natvig 1948:412 (M*, F, L*)
  • Penn 1949b:60 (P*)
  • Darsie 1951:13 (P*)
  • Carpenter and LaCasse 1955:263 (M*, F*, L*)
  • Muspratt 1955:169 (M*, F, L; tax.)
  • Horsfall and Craig 1956:370 (E*)
  • Price 1960:560 (lst stage L*)
  • Hamon, Maffi, Grenier, Ouedraogo and Djime 1966:373 (syn.)
  • Horsfall, Voorhees and Cupp 1970:1713 (E*)
  • Pao and Knight 1970:115 (L*)
  • Belkin and Heinemann 1971:27 (n. distr.)
  • Aslamkhan 1971b:147 (distr.).
  • Zharov 1973:11 (geogr. variation)
  • Reinert 1973e:66 (M*, F*, P*, L*; world distr.)
  • Bickley 1976:234 (distr., Alaska)
  • Utrio 1976:129,135 (L*)

Adult Stage, detail images:

Click on image to open larger view in a separate window. Higher-resolution detail images of some specimens are available on request.

Adult Stage, illustrations:

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