Bugs in California

1452 bugs with full pages have records in California. House pests come first, then the bugs people report most.

House and yard pests in California

Western Honey BeeApis melliferaCan stingConvergent Lady BeetleHippodamia convergensCan biteSeven-spotted Lady BeetleCoccinella septempunctataCommon Pill WoodlouseArmadillidium vulgareHarmlessAsian Lady BeetleHarmonia axyridisCan biteBark Lice, Book Lice, and Parasitic LicePsocopteraCan damage your homeArgentine AntLinepithema humileNuisance, not dangerousSouthern House MosquitoCulex quinquefasciatusCan spread germs or diseaseBold Jumping SpiderPhidippus audaxCan biteWestern Black WidowLatrodectus hesperusVenomousWestern YellowjacketVespula pensylvanicaCan stingThripsThysanopteraCan biteBrown WidowLatrodectus geometricusCan biteWestern Encephalitis MosquitoCulex tarsalisCan spread germs or diseaseSpotted Cucumber BeetleDiabrotica undecimpunctataDamages trees, gardens or cropsHarlequin BugMurgantia histrionicaDamages trees, gardens or cropsEuropean Paper WaspPolistes dominulaCan stingAmerican Winter AntPrenolepis imparisFalse Black WidowSteatoda grossaCan biteLong-bodied Cellar SpiderPholcus phalangioidesHarmlessLeafhopper Assassin BugZelus renardiiCan biteCross OrbweaverAraneus diadematusCan biteTropical House CricketGryllodes sigillatusNuisance, not dangerousWoodlouse SpiderDysdera crocataCan bite

Other bugs seen in California

Senecio Gall FlySphenella fascigeraPriest CicadaSinfonia opaliferaDead-nettle Leaf BeetleFasta fastuosaDotted Paropsine Leaf BeetleParopsis atomariaDamages trees, gardens or cropsAustralian CockroachValidiblatta australasiaeCommon Mime SwallowtailPapilio clytiaButterfliesIpana junctilineaEurasian White AdmiralLimenitis camillaTripartite Sweat BeeHalictus tripartitusMonarchDanaus plexippusYellow-faced Bumble BeeBombus vosnesenskiiRed Cone Gall WaspFeron kingiOak Petiole Gall WaspAndricus quercuspetiolicolaCrystalline Gall WaspFeron crystallinumDisc Gall WaspFeron parmulaSaucer Gall WaspFeron gigasConvoluted Gall WaspAndricus confertusClustered Gall WaspAndricus brunneusLobed oak gall waspAndricus quercusstrobilanusClustered Midrib Gall WaspAndricus dimorphusFiery SkipperHylephila phyleusDamages trees, gardens or cropsSonoran Tiger MantisStagmomantis clauseniPainted LadyVanessa carduiArizona MantisStagmomantis limbataSmall WhitePieris rapaeWhite-lined SphinxHyles lineataDamages trees, gardens or cropsFine striped sweat beeAgapostemon subtiliorVariable CheckerspotEuphydryas chalcedonaBlack-tailed Bumble BeeBombus melanopygusGulf FritillaryDione vanillaeVivid DancerArgia vividaGray Bird GrasshopperSchistocerca nitensDamages trees, gardens or cropsAnise SwallowtailPapilio zelicaonUmber SkipperLon melaneNoble False WidowSteatoda nobilisCan biteGray HairstreakStrymon melinus

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

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