Mosquitoes of Wisconsin

Wisconsin is home to 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 is a favorite host. The table below has a list of all those species, many with images.

Species Common Name Pest status
Aedes cinereus   Occasional pest
Aedes vexans Inland Floodwater Mosquito Very frequent pest in large numbers; all season; increases with rain
Anopheles barberi    
Anopheles crucians    
Anopheles earlei    
Anopheles punctipennis Woodland Malaria Mosquito Jamestown canyon virus; most common Anopheles; common in swampy or boggy areas
Anopheles quadrimaculatus Common Malaria Mosquito Common Anopheles species, Historical vector of malaria in Wisconsin
Anopheles walkeri    
Coquillettidia perturbans Salt and Pepper Mosquito Very common pest species; associated with cattails
Culex erraticus    
Culex pipiens Northern House Mosquito Vector of West Nile Virus
Culex restuans White Dotted Mosquito Vector of West Nile virus between birds
Culex salinarius   Uncommon
Culex tarsalis Western Encephalitis Mosquito Uncommon
Culex territans   Feeds on frogs
Culiseta impatiens    
Culiseta inornata    
Culiseta melanura    
Culiseta minnesotae    
Culiseta morsitans    
Ochlerotatus abserratus    
Ochlerotatus atropalpus Rock-pool Mosquito  
Ochlerotatus aurifer    
Ochlerotatus campestris    
Ochlerotatus canadensis   Common in spring; woodland pest species
Ochlerotatus communis    
Ochlerotatus decticus    
Ochlerotatus diantaeus    
Ochlerotatus dorsalis Pale Marsh Mosquito  
Ochlerotatus euedes    
Ochlerotatus excrucians    
Ochlerotatus fitchii    
Ochlerotatus flavescens    
Ochlerotatus grossbecki   Rare; Only 1 specimen recorded; early season species, common in Chicago
Ochlerotatus hendersoni   Another treehole breeder
Ochlerotatus implicatus    
Ochlerotatus intrudens    
Ochlerotatus japonicus    
Ochlerotatus nigromaculis    
Ochlerotatus pionips    
Ochlerotatus provocans    
Ochlerotatus punctor    
Ochlerotatus riparius    
Ochlerotatus sollicitans Eastern Salt Marsh Mosquito  
Ochlerotatus spencerii    
Ochlerotatus sticticus    
Ochlerotatus stimulans Woodland Mosquito Can be locally common in some woodlots; pest especially in spring
Ochlerotatus triseriatus Eastern Tree Hole Mosquito Vector of LaCrosse encephalitis virus; treeholes, tires, cans, and small containers as breeding sites
Ochlerotatus trivittatus   Very common pest species; high numbers; especially after rains
Orthopodomyia alba   Not a mammal feeder
Orthopodomyia signifera   Not a mammal feeder
Psorophora ciliata Gallinipper (unofficial) Very large mosquito; Southern Wisconsin
Psorophora ferox Woodland Mosquito Purplish color on abdomen
Psorophora horrida    
Psorophora mathesoni    
Uranotaenia sapphirina   Has iridescent blue scales; not known to bite humans; may not be vertebrate feeder
Wyeomyia smithii Pitcherplant Mosquito Associated with bogs; does not bite humans or livestock