Mosquitoes of Wisconsin

Wisconsin is home to at least 56 species of mosquitoes. Many of these are never found biting people. Some prefer birds or amphibians. Among those that feed on mammals, the white-tailed deer can be a favorite host. The table below has a list of all those species.

SpeciesCommon NamePest Status
Aedes cinereus Occasional pest
Aedes vexansInland Floodwater MosquitoVery frequent pest in large numbers; all season; increases with rain
Anopheles barberi Treehole breeder; larvae are predaceous
Anopheles crucians Breeds in semipermanent and permanent pools, ponds, lakes and swamps.
Anopheles earlei Breeds in cold, clear water in ponds and other small bodies of water that contain vegetation.
Anopheles punctipennisWoodland Malaria MosquitoJamestown canyon virus; most common Anopheles; common in swampy or boggy areas
Anopheles quadrimaculatusCommon Malaria MosquitoCommon Anopheles species, Historical vector of malaria in Wisconsin
Anopheles walkeri  Breeds in freshwater swamp habitats.
Coquillettidia perturbansSalt and Pepper MosquitoVery common pest species; associated with cattails. Sometimes called the cattail mosquito.
Culex erraticus Larvae found in grassy shallow margins of ponds, lakes, marshes, and streams.
Culex pipiensNorthern House MosquitoVector of West Nile Virus. Larvae found in catch basins, ditches, containers, untended swimming pools, and many other locations.
Culex restuansWhite Dotted MosquitoVector of West Nile virus between birds
Culex salinarius Uncommon; susceptible to extreme cold. Larvae tolerate brackish water.
Culex tarsalisWestern Encephalitis MosquitoUncommon. This mosquito is an important vector of West Nile virus in western Iowa and western Minnesota. Larvae are associated with irrigated agricultural lands.
Culex territans Feeds on frogs
Culiseta impatiens  Northern range (Michigan, Wisconsin).  Associated with roadside ditches in Illinois.
Culiseta inornata Winter mosquitoThis species is generally found in ground pools but may occur in artificial containers. Some typical sources for these larvae are ditches, canals, rain ponds and irrigation and tail water impoundments.
Culiseta melanura Black tailed mosquito Favors acid waters. Tamarack, conifer, cedar and red maple swamps.  Overwinters as larvae and adults are usually early season. Not attracted to mammals; important vector of EEE between birds.
Culiseta minnesotae Sedge & cattail marsh. 
Culiseta morsitans Semi-permanent woodland swamps containing tussocks of sedge grasses. Closely resembles Cs minnesotae.
Aedes abserratus  Marshes, cattails, natural and cranberry bogs. Early season.
Aedes atropalpusRock-pool MosquitoWarmest rocks in middle of streams
Aedes aurifer  
Aedes campestris  
Aedes canadensis Common in spring; woodland pest species
Aedes communis  
Aedes decticus  
Aedes diantaeus  
Aedes dorsalisPale Marsh Mosquito 
Aedes euedes  
Aedes excrucians  
Aedes fitchii  
Aedes flavescens  
Aedes grossbecki Rare; Only 1 specimen recorded; early season species, common in Chicago
Aedes hendersoni Another treehole breeder
Aedes implicatus  
Aedes intrudens  
Aedes japonicusAsian rock-pool mosquitoAn invasive species in Wisconsin, 1st detected in mid 2000’s, now widespread.
Aedes nigromaculis  
Aedes pionips  
Aedes provocans  
Aedes punctor  
Aedes riparius  
Aedes sollicitansEastern Salt Marsh Mosquito 
Aedes spencerii  
Aedes sticticusFloodwater mosquito 
Aedes stimulansWoodland MosquitoCan be locally common in some woodlots; pest especially in spring
Aedes triseriatusEastern Tree Hole MosquitoVector of LaCrosse encephalitis virus; treeholes, tires, cans, and small containers as breeding sites
Aedes trivittatusPlains floodwater mosquitoVery common pest species; high numbers; especially after rains
Orthopodomyia alba Not a mammal feeder
Orthopodomyia signifera Not a mammal feeder
Psorophora ciliataGallinipper (unofficial)Very large mosquito; Southern Wisconsin
Psorophora feroxWoodland MosquitoPurplish color on abdomen
Psorophora horrida  
Psorophora mathesoni  
Uranotaenia sapphirinaSapphire striped mosquitoVery small; Has iridescent blue scales; not known to bite humans; feed on reptiles and amphibians
Wyeomyia smithiiPitcherplant MosquitoAssociated with bogs; does not bite humans or livestock