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Integrated Pest Management · Agriculture and Natural Resources

University of California

List of all invertebrate pests

If you don't know the exact name of a pest, try the main Invertebrates menu. Find beneficial insects in the Natural Enemies Gallery.

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Common name Scientific name Family Order
Acacia psyllidAcizzia uncatoidesPsyllidaeHemiptera
Acorn mothValentinia glandulellaColeophoridaeLepidoptera
AdelgidAdelges sp.AdelgidaeHemiptera
AdelgidPineus sp.AdelgidaeHemiptera
American cockroachPeriplaneta americanaBlatellidaeOrthoptera
American plum borerEuzophera semifuneralisPyralidaeLepidoptera
AmorbiaAmorbia cuneanaTortricidaeLepidoptera
Antvarious spp.variousHymenoptera
Ant, ArgentineLinepithema humileFormicidaeHymenoptera
Ant, CarpenterCamponotus sp.FormicidaeHymenoptera
Ant, Odorous houseTapinoma sessileFormicidaeHymenoptera
Ant, PavementTetramorium caespitumFormicidaeHymenoptera
Ant, PharaohMonomorium pharaonisFormicidaeHymenoptera
Ant, Red imported fireSolenopsis invictaFormicidaeHymenoptera
Ant, Southern fireSolenopsis xyloniFormicidaeHymenoptera
Ant, ThiefSolenopsis molestaFormicidaeHymenoptera
Ant, Velvety treeLiometopum occidentaleFormicidaeHymenoptera
Aphidvarious spp.AphididaeHemiptera
Aphid, GallPemphigius sp.AphididaeHemiptera
Aphid, GallTamalia coweniAphididaeHemiptera
Aphid, Woolly appleEriosoma lanigerumAphididaeHemiptera
Aphid, Woolly hackberryShivaphis celtiAphididaeHemiptera
Apple maggotRhagoletis pomonellaTephritidaeDiptera
Apple pandemis leafrollerPandemis pyrusanaTortricidaeLepidoptera
Argentine antLinepithema humileFormicidaeHymenoptera
ArmywormSpodoptera sp.NoctuidaeLepidoptera
Armyworm and cutworm (lawns)various spp.NoctuidaeLepidoptera
Artichoke plume mothPlatyptilia carduidactylaPterophoridaeLepidoptera
Ash BorerPodosesia syringaeSesiidaeLepidoptera
Asian citrus psyllidDiaphorina citriPsyllidaeHemiptera
Asian longhorned beetleAnoplophora glabripennisCerambycidaeColeoptera
Asparagus beetleCrioceris sp.ChrysomelidaeColeoptera
Ataenius, Black turfgrassAtaenius spretulusScarabaeidaeColeoptera
Avocado brown miteOligonychus punicaeTetranychidaeAcari
Avocado lace bugPseudacysta perseaeTingidaeHemiptera
Avocado thripsScirtothrips perseaeThripidaeThysanoptera
Baccharis gall flyRhopalomyia californicaCecidomyiidaeDiptera
Bagrada bugBagrada hilarisPentatomidaeHemiptera
Banana mothOpogona sacchariTineidaeLepidoptera
Banded slugLehmannia poirieriLimacidaeStylommatophora
Bark beetlevarious spp.variousColeoptera
Bean thripsCaliothrips fasciatusThripidaeThysanoptera
Bean weevilvarious spp.CurculionidaeColeoptera
Bed bugCimex lectulariusCimicidaeHemiptera
Bee stingsvarious spp.ApidaeHymenoptera
Bee swarmsApis sp.ApidaeHymenoptera
Bee, CarpenterXylocopa sp.ApidaeHymenoptera
Bee, Leafcutting Megachile sp.MegachilidaeHymenoptera
Beetle, Asian longhornedAnoplophora glabripennisCerambycidaeColeoptera
Beetle, AsparagusCrioceris sp.ChrysomelidaeColeoptera
Beetle, Barkvarious spp.variousColeoptera
Beetle, California willow leafPlagiodera californicaChrysomelidaeColeoptera
Beetle, CarpetAnthrenus sp.DermestidaeColeoptera
Beetle, CarpetAttagenus unicolorDermestidaeColeoptera
Beetle, CarrotTomarus (=Ligyrus) gibbosusScarabaeidaeColeoptera
Beetle, CigaretteLasioderma serricorneAnobiidaeColeoptera
Beetle, Confused flourTribolium confusumTenebrionidaeColeoptera
Beetle, Cucumbervarious spp.ChrysomelidaeColeoptera
Beetle, Darklingvarious spp.TenebrionidaeColeoptera
Beetle, Dichondra fleaChaetocnema repensChrysomelidaeColeoptera
Beetle, DriedfruitCarpophilus sp.NitidulidaeColeoptera
Beetle, DrugstoreStegobium paniceumAnobiidaeColeoptera
Beetle, Elm leafXanthogaleruca (=Pyrrhalta) luteolaChrysomelidaeColeoptera
Beetle, Eucalyptus snoutGonipterus scutellatusCurculionidaeColeoptera
Beetle, Eucalyptus tortoiseChrysophtharta m-fuscaChrysomelidaeColeoptera
Beetle, Eucalyptus tortoiseTrachymela sloaneiChrysomelidaeColeoptera
Beetle, Fleavarious spp.ChrysomelidaeColeoptera
Beetle, Fuller roseAsynonychus godmaniCurculionidaeColeoptera
Beetle, Grape budGlyptoscelis squamulataChrysomelidaeColeoptera
Beetle, Green fruitCotinis mutabilisScarabaeidaeColeoptera
Beetle, HopliaHoplia callipygeScarabaeidaeColeoptera
Beetle, KlamathweedChrysolina quadrigeminaChrysomelidaeColeoptera
Beetle, Red flourTribolium castaneumTenebrionidaeColeoptera
Beetle, SapCarpophilus sp.NitidulidaeColeoptera
Beetle, Sawtoothed grainOryzaephilus surinamensisSilvanidaeColeoptera
Beetle, Tumbling flowerMordella spp.MordellidaeColeoptera
Beetle, TwigPithyophorus spp.CurculionidaeColeoptera
Beetle, Walnut twigPityophthorus juglandisCurculionidaeColeoptera
Beetle, WarehouseTrogoderma variabileBostrichidaeColeoptera
Beetle, wood boring in homesvarious spp.variousColeoptera
Bermudagrass miteEriophyes cynodoniensisEriophyidaeAcari
BillbugSphenophorus sp.CurculionidaeColeoptera
Black scaleSaissetia oleaeCoccidaeHemiptera
Black turfgrass ataeniusAtaenius spretulusScarabaeidaeColeoptera
Black vine weevilOtiorhynchus sulcatusCurculionidaeColeoptera
Black widow spiderLatrodectus sp.TheridiidaeAraneae
Blister mite on ornamentalsvarious spp.EriophyidaeAcari
Borer, American plumEuzophera semifuneralisPyralidaeLepidoptera
Borer, AshPodosesia syringaeSesiidaeLepidoptera
Borer, Branch & twig (grape)Melalgus (=Polycaon) confertusBostrichidaeColeoptera
Borer, Eucalyptus longhornedPhoracantha sp.CerambycidaeColeoptera
Borer, Flatheadedvarious spp.BuprestidaeColeoptera
Borer, Goldspotted oakAgrilus auroguttatusBuprestidaeColeoptera
Borer, Lead cableScobicia declivisBostrichidaeColeoptera
Borer, Longhornedvarious spp.CerambycidaeColeoptera
Borer, Lycaenid podvarious spp.LycaenidaeLepidoptera
Borer, Pacific flatheadedChrysobothris malisBuprestidaeColeoptera
Borer, Peach twigAnarsia lineatellaGelechiidaeLepidoptera
Borer, PeachtreeSynanthedon exitiosaSesiidaeLepidoptera
Borer, Poplar and willowCryptorhynchus lapathiCurculionidaeColeoptera
Borer, Raspberry crownPennisetia marginataSesiidaeLepidoptera
Borer, Roundheadedvarious spp.CerambycidaeColeoptera
Borer, ShotholeScolytus rugulosusCurculionidaeColeoptera
Borer, SycamoreSynanthedon resplendensSesiidaeLepidoptera
Bougainvillea looperDisclisioprocta stellataGeometridaeLepidoptera
Boxelder bugBoisea rubrolineataRhopalidaeHemiptera
Boxwood leafminerMonarthropalpus flavusCecidomyiidaeDiptera
Branch & twig borer (grape)Melalgus (=Polycaon) confertusBostrichidaeColeoptera
Branch borer (trees & shrubs)various spp.BostrichidaeColeoptera
Bristly roseslugCladius difformisTenthredinidaeHymenoptera
Broad mitePolyphagotarsonemus latusTarsonemidaeAcari
Brown apricot scaleParthenolecanium corniCoccidaeHemiptera
Brown garden snailCornu (=Helix) aspersumHelicidaeStylommatophora
Brown marmorated stink bugHalyomorpha halysPentatomidaeHemiptera
Brown miteBryobia rubrioculusTetranychidaeAcari
Brown recluse spider (& others)Loxosceles sp.SicariidaeAraneae
Brown soft scaleCoccus hesperidumCoccidaeHemiptera
Brownbanded cockroachSupella longipalpaBlatellidaeOrthoptera
Buffalo treehopperStictocephala bisoniaCicadellidaeHemiptera
Bug (True bugs)various spp.variousHemiptera
Bug, BagradaBagrada hilarisPentatomidaeHemiptera
Bug, BedCimex lectulariusCimicidaeHemiptera
Bug, BoxelderBoisea rubrolineataRhopalidaeHemiptera
Bug, Brown marmorated stinkHalyomorpha halysPentatomidaeHemiptera
Bug, ConenoseTriatoma protractaReduviidaeHemiptera
Bug, False chinchNysius raphanusLygaeidaeHemiptera
Bug, HarlequinMurgantia histrionicaPentatomidaeHemiptera
Bug, LygusLygus hesperusMiridaeHemiptera
Bug, Southern ChinchBlissus insularisBlissidaeHemiptera
Bug, SquashAnasa tristisCoreidaeHemiptera
Bug, Stinkvarious spp.PentatomidaeHemiptera
Bulb mitevarious spp.AcaridaeAcari
Cabbage maggotDelia radicumAnthomyiidaeDiptera
Cabbageworm, ImportedPieris rapaePieridaeLepidoptera
Calico scaleEulecanium cerasorumCoccidaeHemiptera
California oakwormPhryganidia californicaDioptidaeLepidoptera
California pear sawflyPristiphora abbreviataTenthredinidaeHymenoptera
California red scaleAonidiella aurantiiDiaspididaeHemiptera
California willow leaf beetlePlagiodera californicaChrysomelidaeColeoptera
Cankerworm, FallAlsophila pometariaGeometridaeLepidoptera
Carpenter antCamponotus sp.FormicidaeHymenoptera
Carpenter beeXylocopa sp.ApidaeHymenoptera
CarpenterwormPrionoxystus robiniaeCossidaeLepidoptera
Carpet beetleAnthrenus sp.DermestidaeColeoptera
Carpet beetleAttagenus unicolorDermestidaeColeoptera
Carrot beetleTomarus (=Ligyrus) gibbosusScarabaeidaeColeoptera
Carrot rust flyPsila rosaePsilidaeDiptera
CasemakerBucculatrix spp.BucculatricidaeLepidoptera
Ceanothus stem gall mothPeriploca ceanothiellaCosmopterigidaeLepidoptera
Centipedesvarious spp.variousvarious
Chafer, MaskedCyclocephala sp.ScarabaeidaeColeoptera
Cherry leafhopperFieberiella floriiCicadellidaeHemiptera
Cherry slugCaliroa cerasiTenthredinidaeHymenoptera
Chinch bug, FalseNysius raphanusLygaeidaeHemiptera
Chinch bug, SouthernBlissus insularisBlissidaeHemiptera
Cigarette beetleLasioderma serricorneAnobiidaeColeoptera
Citricola scaleCoccus pseudomagnoliarumCoccidaeHemiptera
Citrus bud miteEriophyes sheldoniEriophyidaeAcari
Citrus cutwormEgira (=Xylomyges) curialisNoctuidaeLepidoptera
Citrus leafminerPhyllocnistis citrellaGracillariidaeLepidoptera
Citrus mealybugPlanococcus citriPseudococcidaeHemiptera
Citrus red mitePanonychus citriTetranychidaeAcari
Citrus root weevilDiaprepes abbreviatusCurculionidaeColeoptera
Citrus rust mite (Silver mite)Phyllocoptruta oleivoraEriophyidaeAcari
Citrus thripsScirtothrips citriThripidaeThysanoptera
Clearwing mothvarious spp.SesiidaeHemiptera
Climbing cutwormvarious spp.variousLepidoptera
Clothes moth, casemakingTinea pellionellaTineidaeLepidoptera
Clothes moth, webbingTineola bisselliellaTineidaeLepidoptera
Cockroachvarious spp.BlatellidaeOrthoptera
Cockroach, AmericanPeriplaneta americanaBlatellidaeOrthoptera
Cockroach, BrownbandedSupella longipalpaBlatellidaeOrthoptera
Cockroach, FieldBlattella vagaBlatellidaeOrthoptera
Cockroach, GermanBlattella germanicaBlatellidaeOrthoptera
Cockroach, OrientalBlatta orientalisBlatellidaeOrthoptera
Cockroach, SmokybrownPeriplaneta fuliginosaBlatellidaeOrthoptera
Cockroach, TurkestanBlatta lateralisBlatellidaeOrthoptera
Codling mothCydia pomonellaTortricidaeLepidoptera
Conenose bugTriatoma protractaReduviidaeHemiptera
Confused flour beetleTribolium confusumTenebrionidaeColeoptera
Conifer sawflyNeodiprion spp.DiprionidaeHymenoptera
Corn earwormHelicoverpa zeaNoctuidaeLepidoptera
Cottony cushion scaleIcerya purchasiMargarodidaeHemiptera
Crane flyTipula paludosaTipulidaeDiptera
Cribrate weevilOtiorhynchus cribricollisCurculionidaeColeoptera
CricketGryllus sp.GryllidaeOrthoptera
Cricket, JerusalemStenopelmatus fuscusStenopelmatidaeOrthoptera
Cuban laurel thripsGynaikothrips ficorumPhlaeothripidaeThysanoptera
Cucumber beetlevarious spp.ChrysomelidaeColeoptera
Curculio, RoseRhynchites bicolorCurculionidaeColeoptera
Cutwormvarious spp.NoctuidaeLepidoptera
Cutworm and armyworm, lawnsvarious spp.NoctuidaeLepidoptera
Cutworm on fruitvarious spp.Lepidoptera
Cutworm, CitrusEgira (=Xylomyges) curialisNoctuidaeLepidoptera
Cutworm, Climbingvarious spp.Lepidoptera
Cutworm, VariegatedPeridroma sauciaNoctuidaeLepidoptera
Cycad scaleFurchadaspis zamiaeDiaspididaeHemiptera
Cyclamen mitePhytonemus (=Steneotarsonemus) pallidusTarsonemidaeAcari
Cypress bark mealybugEhrhornia cupressiPseudococcidaeHemiptera
Cypress bark mothCydia (=Laspeyresia) cupressanaTortricidaeLepidoptera
Cypress bark mothEpinotia hopkinsanaTortricidaeLepidoptera
Cypress bark scaleEhrhornia cupressiPseudococcidaeHemiptera
Dampwood termiteZootermopsis spp.TermopsidaeIsoptera
Darkling beetlevarious spp.TenebrionidaeColeoptera
Diamondback mothPlutella xylostellaPlutellidaeLepidoptera
Diaprepes root weevilDiaprepes abbreviatusCurculionidaeColeoptera
Dichondra flea beetleChaetocnema repensChrysomelidaeColeoptera
Douglas-fir pitch mothSynanthedon novaroensisSesiidaeLepidoptera
Douglas-fir twig weevilCylindrocopturus furnissiCurculionidaeColeoptera
Drain flyPyschoda spp.PyschodidaeDiptera
Drain flyTelmatoscopus spp.PyschodidaeDiptera
Driedfruit beetleCarpophilus sp.NitidulidaeColeoptera
Drosophila, spotted wingDrosophila suzukiiDrosophilidaeDiptera
Drugstore beetleStegobium paniceumAnobiidaeColeoptera
Dryberry mitePhyllocoptes gracilisEriophyidaeAcari
Drywood termiteIncisitermes minorKalotermitidaeIsoptera
EarthwormLumbricus terrestrisLumbricidaeHaplotaxida
EarwigForficula auriculariaForficulidaeDermaptera
Earworm, CornHelicoverpa zeaNoctuidaeLepidoptera
Elm leaf beetleXanthogaleruca (=Pyrrhalta) luteolaChrysomelidaeColeoptera
Eucalyptus longhorned borerPhoracantha sp.CerambycidaeColeoptera
Eucalyptus redgum lerp psyllidGlycaspis brimblecombeiPsyllidaeHemiptera
Eucalyptus snout beetleGonipterus scutellatusCurculionidaeColeoptera
Eucalyptus tortoise beetleChrysophtharta m-fuscaChrysomelidaeColeoptera
Eucalyptus tortoise beetleTrachymela sloaneiChrysomelidaeColeoptera
Eugenia psyllidTrioza eugeniaePsyllidaeHemiptera
Euonymus scaleUnaspis euonymiDiaspididaeHemiptera
European elm scaleGossyparia spuriaEriococcidaeHemiptera
European fruit lecaniumParthenolecanium corniCoccidaeHemiptera
European grapevine mothLobesia botranaTortricidaeLepidoptera
European red mitePanonychus ulmiTetranychidaeAcari
Eye gnatHippelates spp.ChloropidaeDiptera
Eye gnatLiohippelates spp.ChloropidaeDiptera
Face flyMusca autumnalisMuscidaeDiptera
Fall cankerwormAlsophila pometariaGeometridaeLepidoptera
Fall webwormHyphantria cuneaErebidaeLepidoptera
False chinch bugNysius raphanusLygaeidaeHemiptera
Field cockroachBlattella vagaBlatellidaeOrthoptera
Fiery skipperHylephila phyleusHesperiidaeLepidoptera
Filbert weevilCurculio occidentisCurculionidaeColeoptera
FilbertwormCydia latiferreanaTortricidaeLepidoptera
Fire ant, Red importedSolenopsis invictaFormicidaeHymenoptera
Fire ant, SouthernSolenopsis xyloniFormicidaeHymenoptera
FirebratThermobia domesticaLepismatidaeThysanura
Flatheaded borerAgrilus sp.BuprestidaeColeoptera
Flatheaded borerChrysobothris sp.BuprestidaeColeoptera
FleaCtenocephalides felisPulicidaeSiphonaptera
Flea beetlevarious spp.ChrysomelidaeColeoptera
Flea beetle, DichondraChaetocnema repensChrysomelidaeColeoptera
Fliesvarious spp.variousDiptera
Fly, Carrot rustPsila rosaePsilidaeDiptera
Fly, CraneTipula paludosaTipulidaeDiptera
Fly, DrainPyschoda spp.PyschodidaeDiptera
Fly, DrainTelmatoscopus spp.PyschodidaeDiptera
Fly, FaceMusca autumnalisMuscidaeDiptera
Fly, FruitDrosophila sp.DrosophilidaeDiptera
Fly, GarbagePhaenicia spp.CalliphoridaeDiptera
Fly, HouseMusca domesticaMuscidaeDiptera
Fly, Lesser bulbEumerus spp.SyrphidaeDiptera
Fly, Little houseFannia canicularisMuscidaeDiptera
Fly, MothPyschoda spp.PyschodidaeDiptera
Fly, MothTelmatoscopus spp.PyschodidaeDiptera
Fly, Narcissus bulbMerodon equestrisSyrphidaeDiptera
Fly, Olive fruitBactrocera oleaeTephritidaeDiptera
Fly, ShoreScatella stagnalisEphydridaeDiptera
Fly, StableStomoxys calcitransMuscidaeDiptera
Fly, VinegarDrosophila sp.DrosophilidaeDiptera
Fly, Walnut huskRhagoletis completaTephritidaeDiptera
Foliage miner (woody ornamentals)various spp.variousLepidoptera
Frosted scaleParthenolecanium pruinosumCoccidaeHemiptera
Fruit flyDrosophila sp.DrosophilidaeDiptera
Fruit fly, OliveBactrocera oleaeTephritidaeDiptera
Fruittree leafrollerArchips argyrospilaTortricidaeLepidoptera
Fruitworm, Greenvarious spp.NoctuidaeLepidoptera
Fruitworm, TomatoHelicoverpa zeaNoctuidaeLepidoptera
Fuchsia gall miteAculops fuchsiaeEriophyidaeAcari
Fuller rose beetleAsynonychus godmaniCurculionidaeColeoptera
Fungus gnatBradysia spp.SciaridaeDiptera
Fungus gnatOrfelia spp.SciaridaeDiptera
Gall and blister mitevarious spp.EriophyidaeAcari
Gall and bud mitevarious spp.EriophyidaeAcari
Gall aphidPemphigius sp.AphididaeHemiptera
Gall aphidTamalia coweniAphididaeHemiptera
Gall fly, BaccharisRhopalomyia californicaCecidomyiidaeDiptera
Gall makervarious spp.variousvarious
Gall midgevarious spp.CecidomyiidaeDiptera
Gall midge, Honeylocust podDasineura gleditschiaeCecidomyiidaeDiptera
Gall mite on ornamentalsvarious spp.EriophyidaeAcari
Gall moth, CeanothusPeriploca ceanothiellaCosmopterigidaeLepidoptera
Gall wasp, Twohorned oakDryocosmus dubiosusCynipidaeHymenoptera
Garbage flyPhaenicia spp.CalliphoridaeDiptera
Garden symphylanScutigerella immaculataScutigerellidaeSymphyla
German cockroachBlattella germanicaBlatellidaeOrthoptera
Giant whiteflyAleurodicus dugesiiAleyrodidaeHemiptera
Gilli mealybugFerrisia gilliPseudococcidaeHemiptera
Glassy-winged SharpshooterHomalodisca vitripennisCicadellidaeHemiptera
Gnat, EyeHippelates spp.ChloropidaeDiptera
Gnat, EyeLiohippelates spp.ChloropidaeDiptera
Gnat, FungusBradysia spp.SciaridaeDiptera
Gnat, FungusOrfelia spp.SciaridaeDiptera
Goldspotted oak borerAgrilus auroguttatusBuprestidaeColeoptera
Grape bud beetleGlyptoscelis squamulataChrysomelidaeColeoptera
Grape erineum miteColomerus vitisEriophyidaeAcari
Grape leaffolderDesmia funeralisCrambidaeLepidoptera
Grape leafhopperErythroneura spp.CicadellidaeHemiptera
Grape mealybugPseudococcus maritimusPseudococcidaeHemiptera
Grape phylloxeraDaktulosphaira vitifoliaePhylloxeridaeHemiptera
Grapeleaf skeletonizer, WesternHarrisina brilliansZygaenidaeLepidoptera
Grapevine moth, EuropeanLobesia botranaTortricidaeLepidoptera
Grasshoppervarious spp.AcrididaeOrthoptera
Gray garden slugDeroceras reticulatumAgriolimacidaeStylommatophora
Greedy scaleHemiberlesia rapaxDiaspididaeHemiptera
Green fruit beetleCotinis mutabilisScarabaeidaeColeoptera
Green fruitwormvarious spp.NoctuidaeLepidoptera
Green fruitworm, humpedAmphipyra pyramidoidesNoctuidaeLepidoptera
Green fruitworm, speckled Orthosia hibisciNoctuidaeLepidoptera
Green shield scalePulvinaria psidiiCoccidaeHemiptera
Greenhouse slugMilax gagatesMilacidaeStylommatophora
Greenhouse thripsHeliothrips haemorrhoidalisThripidaeThysanoptera
Ground mealybugRhizoecus spp.PseudococcidaeHemiptera
Grub, WhiteCyclocephala sp.ScarabaeidaeColeoptera
Harlequin bugMurgantia histrionicaPentatomidaeHemiptera
Head lice Pediculus humanus capitisPediculidaePhthiraptera
Hobo spiderTegenaria agrestisAgelenidaeAraneae
Honeylocust pod gall midgeDasineura gleditschiaeCecidomyiidaeDiptera
Hoplia beetleHoplia callipygeScarabaeidaeColeoptera
Horntail or wood waspvarious spp.SiricidaeHymenoptera
HornwormManduca sp.SphingidaeLepidoptera
Horsehair worm various spp.variousGordioida
House flyMusca domesticaMuscidaeDiptera
Imported cabbagewormPieris rapaePieridaeLepidoptera
Indian walking stick Carausius morosusDiapheromeridaePhasmatodea
Indianmeal mothPlodia interpunctellaPyralidaeLepidoptera
Irregular pine scaleToumeyella pinicolaCoccidaeHemiptera
Jerusalem cricketStenopelmatus fuscusStenopelmatidaeOrthoptera
Juniper twig girdlerPeriploca nigraCosmopterigidaeLepidoptera
KatydidMicrocentum retinerveTettigoniidaeOrthoptera
KatydidScudderia furcataTettigoniidaeOrthoptera
Klamathweed beetleChrysolina quadrigeminaChrysomelidaeColeoptera
Kuno scaleEulecanium kunoenseCoccidaeHemiptera
Lace bugvarious spp.TingidaeHemiptera
Lace bug, AvocadoPseudacysta perseaeTingidaeHemiptera
Latania scaleHemiberlesia lataniaeDiaspididaeHemiptera
Lawn moth and sod webwormvarious spp.CrambidaeLepidoptera
Lead cable borerScobicia declivisBostrichidaeColeoptera
Leafcutting beeMegachile sp.MegachilidaeHymenoptera
Leaffolder, GrapeDesmia funeralisCrambidaeLepidoptera
Leafhopper, CherryFieberiella floriiCicadellidaeHemiptera
Leafhopper, flowersvarious spp.CicadellidaeHemiptera
Leafhopper, GrapeErythroneura spp.CicadellidaeHemiptera
Leafhopper (lawns)Deltacephalus sonorusCicadellidaeHemiptera
Leafhopper (lawns)Draeculacephala minervaCicadellidaeHemiptera
Leafhopper, MountainColladonus montanusCicadellidaeHemiptera
Leafhopper (trees and shrubs)various spp.CicadellidaeHemiptera
Leafhopper (vegetables and fruit)various spp.CicadellidaeHemiptera
Leafminer, BoxwoodMonarthropalpus flavusCecidomyiidaeDiptera
Leafminer, CitrusPhyllocnistis citrellaGracillariidaeLepidoptera
Leafminer, flowersLiriomyza sp.AgromyzidaeDiptera
Leafminer, TentiformPhyllonorycter sp.GracillariidaeLepidoptera
Leafrollervarious spp.TortricidaeLepidoptera
Leafroller, Apple pandemisPandemis pyrusanaTortricidaeLepidoptera
Leafroller, FruittreeArchips argyrospilaTortricidaeLepidoptera
Leafroller, Garden tortrixPtycholoma peritanaTortricidaeLepidoptera
Leafroller, ObliquebandedChoristoneura rosaceanaTortricidaeLepidoptera
Leafroller, OmnivorousPlatynota stultanaTortricidaeLepidoptera
Leafroller, StrawberryAncylus comptana fragariaeTortricidaeLepidoptera
Lesser bulb flyEumerus spp.SyrphidaeDiptera
Lice, HeadPediculus humanus capitisPediculidaePhthiraptera
Light brown apple mothEpiphyas postvittanaTortricidaeLepidoptera
Little house flyFannia canicularisMuscidaeDiptera
Longhorned borervarious spp.CerambycidaeColeoptera
Longtailed mealybugPseudococcus longispinusPseudococcidaeHemiptera
Loopervarious spp.variousLepidoptera
Looper, BougainvilleaDisclisioprocta stellataGeometridaeLepidoptera
Looper, OmnivorousSabulodes aegrotataGeometridaeLepidoptera
Lycaenid pod borervarious spp.LycaenidaeLepidoptera
Lygus bugLygus hesperusMiridaeHemiptera
Maggot, AppleRhagoletis pomonellaTephritidaeDiptera
Maggot, CabbageDelia radicumAnthomyiidaeDiptera
Maggot, OnionDelia antiguaAnthomyiidaeDiptera
Maggot, Raspberry canePegomya rubivoraAnthomyiidaeDiptera
Maggot, SeedcornDelia platuraAnthomyiidaeDiptera
Masked chaferCyclocephala sp.ScarabaeidaeColeoptera
Mealybugvarious spp.PseudococcidaeHemiptera
Mealybug, citrusPlanococcus citriPseudococcidaeHemiptera
Mealybug, Cypress barkEhrhornia cupressiPseudococcidaeHemiptera
Mealybug, Gilli (Gill's)Ferrisia gilliPseudococcidaeHemiptera
Mealybug, Grape Pseudococcus maritimusPseudococcidaeHemiptera
Mealybug, GroundRhizoecus spp.PseudococcidaeHemiptera
Mealybug, LongtailedPseudococcus longispinusPseudococcidaeHemiptera
Mealybug, ObscurePseudococcus affinisPseudococcidaeHemiptera
Midge, Gallvarious spp.CecidomyiidaeDiptera
Midge, Honeylocust pod gallDasineura gleditschiaeCecidomyiidaeDiptera
Midge, Monterey pineThecodiplosis piniradiataeCecidomyiidaeDiptera
Midge, Needle and twigContarinia sp.CecidomyiidaeDiptera
Millipedevarious spp.variousvarious
Minute cypress scaleCarulaspis minimaDiaspididaeHemiptera
Mite, Avocado brownOligonychus punicaeTetranychidaeAcari
Mite, BermudagrassEriophyes cynodoniensisEriophyidaeAcari
Mite, BroadPolyphagotarsonemus latusTarsonemidaeAcari
Mite, BrownBryobia rubrioculusTetranychidaeAcari
Mite, bulbvarious spp.AcaridaeAcari
Mite, Citrus budEriophyes sheldoniEriophyidaeAcari
Mite, Citrus redPanonychus citriTetranychidaeAcari
Mite, Citrus rustPhyllocoptruta oleivoraEriophyidaeAcari
Mite, CyclamenPhytonemus pallidusTarsonemidaeAcari
Mite, DryberryPhyllocoptes gracilisEriophyidaeAcari
Mite, European redPanonychus ulmiTetranychidaeAcari
Mite, Fuchsia gallAculops fuchsiaeEriophyidaeAcari
Mite, gall or blister (ornamentals)various spp.EriophyidaeAcari
Mite, Gall or budvarious spp.EriophyidaeAcari
Mite, Grape erineumColomerus vitisEriophyidaeAcari
Mite, Pear rustEpitrimerus pyriEriophyidaeAcari
Mite, Pearleaf blisterPhytoptus pyriPhytoptidaeAcari
Mite, PerseaOligonychus perseaeTetranychidaeAcari
Mite, RedberryAcalitus essigiEriophyidaeAcari
Mite, SilverPhyllocoptruta oleivoraEriophyidaeAcari
Mite, SixspottedEotetranychus sexmaculatusTetranychidaeAcari
Mite, Spidervarious spp.TetranychidaeAcari
Mite, Spinach crownRhizoglyphus sp.AcaridaeAcari
Mite, Tomato russetAculops lycopersiciEriophyidaeAcari
Mite, Wheat curlEriophyes tulipaeEriophyidaeAcari
Monterey cypress scaleXylococculus macrocarpaeMargarodidaeHemiptera
Monterey pine bud mothExoteleia burkeiGelechiidaeLepidoptera
Monterey pine midgeThecodiplosis piniradiataeCecidomyiidaeDiptera
Mosquitoesvarious spp.CulicidaeDiptera
Moth flyPyschoda spp.PyschodidaeDiptera
Moth flyTelmatoscopus spp.PyschodidaeDiptera
Mountain leafhopperColladonus montanusCicadellidaeHemiptera
Myoporum thripsKlambothrips myoporiPhlaeothripidaeThysanoptera
Narcissus bulb flyMerodon equestrisSyrphidaeDiptera
Navel orangewormAmyelois transitellaPyralidaeLepidoptera
Needle and twig midgeContarinia sp.CecidomyiidaeDiptera
Nematodevarious spp.variousTylenchida
Nematode, Pinewood Bursaphelenchus xylophilusParasitaphelenchidaeAphelenchida
Oak leaf phylloxeraPhylloxera sp.PhylloxeridaeHemiptera
Oak pit scaleAsterolecanium sp.AsterolecaniidaeHemiptera
Oakworm, CaliforniaPhryganidia californicaDioptidaeLepidoptera
Obliquebanded LeafrollerChoristoneura rosaceanaTortricidaeLepidoptera
Obscure mealybugPseudococcus affinisPseudococcidaeHemiptera
Obscure root weevilSciopithes obscurusCurculionidaeColeoptera
Obscure scaleMelanaspis obscuraDiaspididaeHemiptera
Odorous house antTapinoma sessileFormicidaeHymenoptera
Oleander scaleAspidiotus neriiDiaspididaeHemiptera
Olive fruit flyBactrocera oleaeTephritidaeDiptera
Olive psyllidEuphyllura olivinaPsyllidaeHemiptera
Olive scaleParlatoria oleaeDiaspididaeHemiptera
Omnivorous leafrollerPlatynota stultanaTortricidaeLepidoptera
Omnivorous looperSabulodes aegrotataGeometridaeLepidoptera
Onion maggotDelia antiguaAnthomyiidaeDiptera
Onion thripsThrips tabaciThripidaeThysanoptera
Orange leafroller (tortrix)Argyrotaenia citranaTortricidaeLepidoptera
Orange tortrix (leafroller)Argyrotaenia citranaTortricidaeLepidoptera
Orangeworm, NavelAmyelois transitellaPyralidaeLepidoptera
Oriental cockroachBlatta orientalisBlatellidaeOrthoptera
Oriental fruit mothGrapholita molestaTortricidaeLepidoptera
Oystershell scaleLepidosaphes ulmiDiaspididaeHemiptera
Pacific flatheaded borerChrysobothris malisBuprestidaeColeoptera
Painted lady butterflyVanessa carduiNymphalidaeLepidoptera
Pavement antTetramorium caespitumFormicidaeHymenoptera
Pea leaf weevilSitona lineataCurculionidaeColeoptera
Pea mothCydia nigricanaTortricidaeLepidoptera
Pea weevilBruchus pisorumCurculionidaeColeoptera
Peach twig borerAnarsia lineatellaGelechiidaeLepidoptera
Peachtree borerSynanthedon exitiosaSesiidaeLepidoptera
Pear psyllaPsylla pyricolaPsyllidaeHemiptera
Pear rust miteEpitrimerus pyriEriophyidaeAcari
Pear slugCaliroa cerasiTenthredinidaeHymenoptera
Pearleaf blister mite Phytoptus pyriPhytoptidaeAcari
Pepper weevilAnthonomus aenotinctusCurculionidaeColeoptera
Peppertree psyllidCalophya schiniPsyllidaeHemiptera
Persea miteOligonychus perseaeTetranychidaeAcari
Pharaoh antMonomorium pharaonisFormicidaeHymenoptera
Phylloxera, Grape Daktulosphaira vitifoliaePhylloxeridaeHemiptera
Phylloxera, Oak leaf Phylloxera sp.PhylloxeridaeHemiptera
Pillbugvarious spp.variousIsopoda
Pine needle weevilScythropus sp.CurculionidaeColeoptera
Pine tip or shoot mothRhyacionia sp.TortricidaeLepidoptera
Pine weevilPissodes sp.CurculionidaeColeoptera
Pinewood nematodeBursaphelenchus xylophilusParasitaphelenchidaeAphelenchida
Pinworm, tomatoKeiferia lycopersicellaGelechiidaeLepidoptera
Pitch mothSynanthedon spp.SesiidaeLepidoptera
Pitch moth, Douglas-firSynanthedon novaroensisSesiidaeLepidoptera
Pitch moth, SequoiaSynanthedon sequoiaeSesiidaeLepidoptera
Poplar and willow borerCryptorhynchus lapathiCurculionidaeColeoptera
Potato tuberwormPhthorimaea operculellaGelechiidaeLepidoptera
Psylla, PearPsylla pyricolaPsyllidaeHemiptera
Psyllidvarious spp.PsyllidaeHemiptera
Psyllid, Asian citrus Diaphorina citriPsyllidaeHemiptera
Psyllid, Eucalyptus redgum lerpGlycaspis brimblecombeiPsyllidaeHemiptera
Purple scaleLepidosaphes beckiiDiaspididaeHemiptera
Raspberry cane maggotPegomya rubivoraAnthomyiidaeDiptera
Raspberry crown borerPennisetia marginataSesiidaeLepidoptera
Raspberry horntail sawflyHartigia cressoniCephidaeHymenoptera
Raspberry sawflyMonophadnoides geniculatusTenthredinidaeHymenoptera
Recluse spidersLoxosceles sp.SicariidaeAraneae
Red flour beetleTribolium castaneumTenebrionidaeColeoptera
Red imported fire antSolenopsis invictaFormicidaeHymenoptera
Red palm weevilRhynchophorus ferrugineusCurculionidaeColeoptera
Redberry miteAcalitus essigiEriophyidaeAcari
Redhumped caterpillarSchizura concinnaNotodontidaeLepidoptera
Root weevilOtiorhynchus cribricollisCurculionidaeColeoptera
Rose curculioRhynchites bicolorCurculionidaeColeoptera
Roseslug, BristlyCladius difformisTenthredinidaeHymenoptera
Roundheaded borervarious spp.CerambycidaeColeoptera
Saltmarsh caterpillarEstigmene acreaErebidaeLepidoptera
San Jose scaleQuadraspidiotus perniciosusDiaspididaeHemiptera
Sap beetleCarpophilus sp.NitidulidaeColeoptera
Sawflyvarious spp.variousHymenoptera
Sawfly, California pearPristiphora abbreviataTenthredinidaeHymenoptera
Sawfly, ConiferNeodiprion spp.DiprionidaeHymenoptera
Sawfly, Raspberry Monophadnoides geniculatusTenthredinidaeHymenoptera
Sawfly, Raspberry horntailHartigia cressoniCephidaeHymenoptera
Sawfly, Willow leaf gallPontania pacificaTenthredinidaeHymenoptera
Sawtoothed grain beetleOryzaephilus surinamensisSilvanidaeColeoptera
Scalevarious spp.variousHemiptera
Scale, BlackSaissetia oleaeCoccidaeHemiptera
Scale, Brown apricotParthenolecanium corniCoccidaeHemiptera
Scale, Brown softCoccus hesperidumCoccidaeHemiptera
Scale, CalicoEulecanium cerasorumCoccidaeHemiptera
Scale, California redAonidiella aurantiiDiaspididaeHemiptera
Scale, CitricolaCoccus pseudomagnoliarumCoccidaeHemiptera
Scale, Cottony cushionIcerya purchasiMargarodidaeHemiptera
Scale, CycadFurchadaspis zamiaeDiaspididaeHemiptera
Scale, Cypress barkEhrhornia cupressiPseudococcidaeHemiptera
Scale, EuonymusUnaspis euonymiDiaspididaeHemiptera
Scale, European elmGossyparia spuriaEriococcidaeHemiptera
Scale, European fruit lecaniumParthenolecanium corniCoccidaeHemiptera
Scale, FrostedParthenolecanium pruinosumCoccidaeHemiptera
Scale, GreedyHemiberlesia rapaxDiaspididaeHemiptera
Scale, Green shieldPulvinaria psidiiCoccidaeHemiptera
Scale, Irregular pineToumeyella pinicolaCoccidaeHemiptera
Scale, KunoEulecanium kunoenseCoccidaeHemiptera
Scale, LataniaHemiberlesia lataniaeDiaspididaeHemiptera
Scale, Minute cypressCarulaspis minimaDiaspididaeHemiptera
Scale, Monterey cypress Xylococculus macrocarpaeMargarodidaeHemiptera
Scale, Oak pitAsterolecanium sp.AsterolecaniidaeHemiptera
Scale, ObscureMelanaspis obscuraDiaspididaeHemiptera
Scale, OleanderAspidiotus neriiDiaspididaeHemiptera
Scale, OliveParlatoria oleaeDiaspididaeHemiptera
Scale, OystershellLepidosaphes ulmiDiaspididaeHemiptera
Scale, PurpleLepidosaphes beckiiDiaspididaeHemiptera
Scale, San JoseQuadraspidiotus perniciosusDiaspididaeHemiptera
Scale, SycamoreStomacoccus plataniMargarodidaeHemiptera
Scale, TuliptreeToumeyella liriodendriCoccidaeHemiptera
Scale, WalnutQuadraspidiotus juglansregiaeDiaspididaeHemiptera
Scale, WaxCeroplastes sp.CoccidaeHemiptera
Scorpionvarious spp.variousScorpionida
Seedcorn maggotDelia platuraAnthomyiidaeDiptera
Sequoia pitch mothSynanthedon sequoiaeSesiidaeLepidoptera
Sharpshootervarious spp.CicadellidaeHemiptera
Sharpshooter, Glassy-winged Homalodisca vitripennisCicadellidaeHemiptera
Shield bearerCoptodisca sp.HeliozelidaeLepidoptera
Shore flyScatella stagnalisEphydridaeDiptera
Shothole borerScolytus rugulosusCurculionidaeColeoptera
Silver mitePhyllocoptruta oleivoraEriophyidaeAcari
SilverfishLepisma saccharinaLepismatidaeThysanura
Sixspotted miteEotetranychus sexmaculatusTetranychidaeAcari
SkeletonizerBucculatrix spp.BucculatricidaeLepidoptera
Skeletonizer, Western grapeleafHarrisina brilliansZygaenidaeLepidoptera
Skipper, FieryHylephila phyleusHesperiidaeLepidoptera
Slugvarious spp.AgriolimacidaeStylommatophora
Slug, BandedLehmannia poirieriLimacidaeStylommatophora
Slug, Gray gardenDeroceras reticulatumAgriolimacidaeStylommatophora
Slug, GreenhouseMilax gagatesMilacidaeStylommatophora
Slug, TawnyLimacus flavusLimacidaeStylommatophora
Slug, Three-banded gardenLehmannia valentianaLimacidaeStylommatophora
Smokybrown cockroachPeriplaneta fuliginosaBlatellidaeOrthoptera
Snailvarious spp.HelicidaeStylommatophora
Snail, Brown gardenCornu (=Helix) aspersumHelicidaeStylommatophora
Snail, White gardenTheba pisanaHelicidaeStylommatophora
Sod webwormCrambus sperryellusCrambidaeLepidoptera
Southern chinch bugBlissus insularisBlissidaeHemiptera
Southern fire antSolenopsis xyloniFormicidaeHymenoptera
Sowbugvarious spp.variousIsopoda
Sphinx mothvarious spp.SphingidaeLepidoptera
Spidervarious spp.variousAraneae
Spider mitevarious spp.TetranychidaeAcari
Spider, Black widowLatrodectus sp.TheridiidaeAraneae
Spider, Brown recluseLoxosceles sp.SicariidaeAraneae
Spider, HoboTegenaria agrestisAgelenidaeAraneae
Spider, Zoropsis Zoropsis spinimanaZoropsidaeAraneae
Spinach crown mite Rhizoglyphus sp.AcaridaeAcari
Spittlebugvarious spp.CercopidaeHemiptera
Spotted wing drosophilaDrosophila suzukiiDrosophilidaeDiptera
Springtailvarious spp.variousCollembola
Squash bugAnasa tristisCoreidaeHemiptera
Stable flyStomoxys calcitransMuscidaeDiptera
Stick insect, Indian walkingCarausius morosusDiapheromeridaePhasmatodea
Stink bugvarious spp.PentatomidaeHemiptera
Stink bug, Brown marmoratedHalyomorpha halysPentatomidaeHemiptera
Strawberry crown mothSynanthedon bibionipennisSesiidaeLepidoptera
Strawberry leafrollerAncylus comptana fragariaeTortricidaeLepidoptera
Strawberry root weevilOtiorhynchus ovatusCurculionidaeColeoptera
Subterranean termitevarious spp.RhinotermitidaeIsoptera
Sycamore BorerSynanthedon resplendensSesiidaeLepidoptera
Sycamore scaleStomacoccus plataniMargarodidaeHemiptera
Symphylanvarious spp.variousSymphyla
Tawny slugLimacus flavusLimacidaeStylommatophora
Tent caterpillarMalacosoma sp.LasiocampidaeLepidoptera
Tentiform leafminerPhyllonorycter sp.GracillariidaeLepidoptera
Termitevarious spp.variousIsoptera
Termite, DampwoodZootermopsis spp.TermopsidaeIsoptera
Termite, DrywoodIncisitermes minorKalotermitidaeIsoptera
Termite, Subterraneanvarious spp.RhinotermitidaeIsoptera
Termite, Western subterraneanReticulitermes hesperusRhinotermitidaeIsoptera
Thief antSolenopsis molestaFormicidaeHymenoptera
Three-banded garden slugLehmannia valentianaLimacidaeStylommatophora
Thripsvarious spp.variousThysanoptera
Thrips, AvocadoScirtothrips perseaeThripidaeThysanoptera
Thrips, BeanCaliothrips fasciatusThripidaeThysanoptera
Thrips, CitrusScirtothrips citriThripidaeThysanoptera
Thrips, Cuban laurelGynaikothrips ficorumPhlaeothripidaeThysanoptera
Thrips, GreenhouseHeliothrips haemorrhoidalisThripidaeThysanoptera
Thrips, MyoporumKlambothrips myoporiPhlaeothripidaeThysanoptera
Thrips, OnionThrips tabaciThripidaeThysanoptera
Thrips, ToyonLiothrips (=Rhyncothrips) ilexPhlaeothripidaeThysanoptera
Thrips, Western flowerFrankliniella occidentalisThripidaeThysanoptera
Tick (Lyme disease)Ixodes pacificusIxodidaeIoxidida
Tomato fruitwormHelicoverpa zeaNoctuidaeLepidoptera
Tomato pinwormKeiferia lycopersicellaGelechiidaeLepidoptera
Tomato russet miteAculops lycopersiciEriophyidaeAcari
Toyon thripsLiothrips (=Rhyncothrips) ilexPhlaeothripidaeThysanoptera
Treehopper, BuffaloStictocephala bisoniaCicadellidaeHemiptera
Treehoppersvarious spp.CicadellidaeHemiptera
True bugvarious spp.variousHemiptera
Tuberworm, PotatoPhthorimaea operculellaGelechiidaeLepidoptera
Tuliptree scaleToumeyella liriodendriCoccidaeHemiptera
Tumbling flower beetleMordella spp.MordellidaeColeoptera
Turkestan cockroachBlatta lateralisBlatellidaeOrthoptera
Tussock moth, WesternOrgyia vetustaErebidaeLepidoptera
Twig beetlePityophthorus spp.CurculionidaeColeoptera
Twig girdler, JuniperPeriploca nigraCosmopterigidaeLepidoptera
Twohorned oak gall waspDryocosmus dubiosusCynipidaeHymenoptera
Variegated cutwormPeridroma sauciaNoctuidaeLepidoptera
Vegetable weevilListroderes costirostris obliquusCurculionidaeColeoptera
Velvety tree antLiometopum occidentaleFormicidaeHymenoptera
Vinegar flyDrosophila sp.DrosophilidaeDiptera
Walking stick, IndianCarausius morosusDiapheromeridaePhasmatodea
Walnut husk flyRhagoletis completaTephritidaeDiptera
Walnut scaleQuadraspidiotus juglansregiaeDiaspididaeHemiptera
Walnut twig beetlePityophthorus juglandisCurculionidaeColeoptera
Warehouse beetleTrogoderma variabileBostrichidaeColeoptera
Wasp stingsvarious spp.VespidaeHymenoptera
Wasp, Woodvarious spp.SiricidaeHymenoptera
Wax scaleCeroplastes sp.CoccidaeHemiptera
Webworm, FallHyphantria cuneaErebidaeLepidoptera
Webworm, SodCrambus sperryellusCrambidaeLepidoptera
Weevilvarious spp.CurculionidaeColeoptera
Weevil, Beanvarious spp.CurculionidaeColeoptera
Weevil, Black vineOtiorhynchus sulcatusCurculionidaeColeoptera
Weevil, Citrus rootDiaprepes abbreviatusCurculionidaeColeoptera
Weevil, CribrateOtiorhynchus cribricollisCurculionidaeColeoptera
Weevil, Diaprepes rootDiaprepes abbreviatusCurculionidaeColeoptera
Weevil, Douglas-fir twigCylindrocopturus furnissiCurculionidaeColeoptera
Weevil, FilbertCurculio occidentisCurculionidaeColeoptera
Weevil, Obscure rootSciopithes obscurusCurculionidaeColeoptera
Weevil, PeaBruchus pisorumCurculionidaeColeoptera
Weevil, Pea leafSitona lineataCurculionidaeColeoptera
Weevil, PepperAnthonomus aenotinctusCurculionidaeColeoptera
Weevil, PinePissodes sp.CurculionidaeColeoptera
Weevil, Pine needleScythropus sp.CurculionidaeColeoptera
Weevil, Red palmRhynchophorus ferrugineusCurculionidaeColeoptera
Weevil, Strawberry rootOtiorhynchus ovatusCurculionidaeColeoptera
Weevil, VegetableListroderes costirostris obliquusCurculionidaeColeoptera
Weevil, WoodsNemocestes incomptusCurculionidaeColeoptera
Weevil, YuccaScyphophorus yuccaeCurculionidaeColeoptera
Western flower thripsFrankliniella occidentalisThripidaeThysanoptera
Western grapeleaf skeletonizerHarrisina brilliansZygaenidaeLepidoptera
Western lawn mothTehama bonifatellaCrambidaeLepidoptera
Western Poplar ClearwingParanthrene robiniaeSesiidaeLepidoptera
Western subterranean termiteReticulitermes hesperusRhinotermitidaeIsoptera
Western Tarnished Plant Bug (Lygus)Lygus hesperusMiridaeHemiptera
Western tussock mothOrgyia vetustaErebidaeLepidoptera
Wheat curl miteEriophyes tulipaeEriophyidaeAcari
White garden snailTheba pisanaHelicidaeStylommatophora
White grubCyclocephala sp.ScarabaeidaeColeoptera
Whiteflyvarious spp.AleyrodidaeHemiptera
Whitefly, Giant Aleurodicus dugesiiAleyrodidaeHemiptera
Widow spidersLatrodectus sp.TheridiidaeAraneae
Willow leaf gall sawflyPontania pacificaTenthredinidaeHymenoptera
Windscorpion Eremobates pallipesEremobatidaeSolifugae
Wirewormvarious spp.CurculionidaeColeoptera
Wood wasp or horntailvarious spp.SiricidaeHymenoptera
Wood-boring beetle in homesvarious spp.variousColeoptera
Woods weevilNemocestes incomptusCurculionidaeColeoptera
Woolly apple aphidEriosoma lanigerumAphididaeHemiptera
Woolly hackberry aphidShivaphis celtiAphididaeHemiptera
Yellowjacketvarious spp.VespidaeHymenoptera
Yucca weevilScyphophorus yuccaeCurculionidaeColeoptera
Zoropsis spiderZoropsis spinimanaZoropsidaeAraneae