Bugs in Illinois

1464 bugs with full pages have records in Illinois. House pests come first, then the bugs people report most.

House and yard pests in Illinois

House Mosquito ComplexCulex pipiensCan spread germs or diseaseInland Floodwater MosquitoAedes vexansCan spread germs or diseaseCommon Eastern Bumble BeeBombus impatiensCan stingWestern Honey BeeApis melliferaCan stingAsian Lady BeetleHarmonia axyridisCan biteWinter Marsh MosquitoCuliseta inornataCan biteEastern Carpenter BeeXylocopa virginicaCan stingCommon malaria mosquitoAnopheles quadrimaculatusCan spread germs or diseaseAsian Bush MosquitoAedes japonicusCan biteBald-faced HornetDolichovespula maculataCan stingNorthern Paper WaspPolistes fuscatusCan stingJapanese BeetlePopillia japonicaDamages trees, gardens or cropsBold Jumping SpiderPhidippus audaxCan biteSpotted Cucumber BeetleDiabrotica undecimpunctataDamages trees, gardens or cropsEastern Black Carpenter AntCamponotus pennsylvanicusCan damage your homeCommon Pill WoodlouseArmadillidium vulgareHarmlessBrown Marmorated Stink BugHalyomorpha halysDamages trees, gardens or cropsNorth American Wheel BugArilus cristatusCan biteEastern Boxelder BugBoisea trivittataCan damage your homeEastern YellowjacketVespula maculifronsCan stingEuropean Paper WaspPolistes dominulaCan stingYellow Garden SpiderArgiope aurantiaCan biteSpotted OrbweaverNeoscona cruciferaCan biteEastern Cicada-killer WaspSphecius speciosusCan sting

Other bugs seen in Illinois

Senecio Gall FlySphenella fascigeraDamages trees, gardens or cropsDead-nettle Leaf BeetleFasta fastuosaDotted Paropsine Leaf BeetleParopsis atomariaDamages trees, gardens or cropsAustralian CockroachValidiblatta australasiaePriest CicadaSinfonia opaliferaCommon Mime SwallowtailPapilio clytiaButterfliesIpana junctilineaEurasian White AdmiralLimenitis camillaMonarchDanaus plexippusPlains Floodwater MosquitoAedes trivittatusCan biteWoodland Malaria MosquitoAnopheles punctipennisCan spread germs or diseaseSmall WhitePieris rapaePearl CrescentPhyciodes tharosNorthern CrescentPhyciodes cocytaField CrescentPhyciodes pulchellaBlack SwallowtailPapilio polyxenesSapphire-striped MosquitoUranotaenia sapphirinaBrown-belted Bumble BeeBombus griseocollisNorthern Frog-biting MosquitoCulex territansCan spread germs or diseaseOrange SulphurColias eurythemeDamages trees, gardens or cropsEastern Tiger SwallowtailPapilio glaucusRed AdmiralVanessa atalantaEastern Tailed-BlueEveres comyntasSilver-spotted SkipperEpargyreus clarusDamages trees, gardens or cropsTwo-spotted Bumble BeeBombus bimaculatusCan stingCommon BuckeyeJunonia coeniaLong DashLimochores mysticSpring AzureCelastrina ladonGreat Spangled FritillaryArgynnis cybelePainted LadyVanessa carduiViceroyLimenitis archippusPlague Soldier BeetleChauliognathus lugubrisTricolor Soldier BeetleChauliognathus tricolorQuestion MarkPolygonia interrogationisLarge Milkweed BugOncopeltus fasciatusCommon WhitetailPlathemis lydia

Ranked by the number of Illinois records on GBIF (museum collections and citizen science such as iNaturalist).

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