CISAC has compiled the list below of over 1,700 species known to be invasive in California or a potential threat for introduction to the state. Please use the comment form below to let us know about: taxa that should be added or removed; species information that you would change; and species that you think should be a high priority for having a scorecard completed (choose Review Scorecards to see the list of scorecards already drafted). Make sure to click Save. Previous comments are displayed at the bottom of the page.

Download Species List (.csv) (to open in a Spreadsheet program)
This data download is provided to aid in the review of the draft invasive species list. We discourage other use of this data until it has been revised and finalized.

Scientific Name Common Name Type Subtype Extentsort icon Risk of Introduction First Source
Phalaris arundinacea reed canarygrass plant grass limited n/a (already in CA) WA Weed List
Pyracantha coccinea pyracantha plant woody limited n/a (already in CA) Cal-IPC list
Pyracantha crenulata pyracantha plant woody limited n/a (already in CA) Cal-IPC list
Silene latifolia ssp. alba bladder campion plant herbaceous limited n/a (already in CA) WA Weed List
Vibrio cholerae Cholera disease bacterium limited n/a (already in CA) CIDRAP
Claviceps spp. Sorghum Ergot disease fungus limited VALUE REQUIRED APHIS OPIS
Fusarium graminearium Fusarium Head Blight disease fungus limited VALUE REQUIRED APHIS OPIS
Puccinia horiana Chrysanthemum White Rust disease fungus limited n/a (already in CA) CACASA
Uromyces transversalis Gladiolus Rust disease fungus limited n/a (already in CA) USDA pest
Spiroplasma citri Citrus stubborn disease disease spiroplasma limited VALUE REQUIRED CACASA
Luteovirus n/a Citrus vein-enation virus probably Luteovirus disease virus limited VALUE REQUIRED No list
Tospoviruses Tomato spot wilt virus disease virus limited VALUE REQUIRED APHIS OPIS
Closterovirus CTV Citrus tisteza virus disease virus limited moderate APHIS OPIS
Crinivirus CYSDV Cucurbit Yellow Stunting Disorder Virus disease virus limited moderate EPPO
n/a Citrus psorosis virus n/a Citrus psorosis virus disease virus limited VALUE REQUIRED No list
n/a Concave gum/blind pocket n/a Concave gum/blind pocket disease virus limited VALUE REQUIRED No list
Acanalonia conica green coneheaded planthopper arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Acanthococcus azaleae azalea bark scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Aclerda tokionis grass scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Aethina tumida small hive beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Agrilus coxalis golden spotted oak borer arthropod beetle limited n/a (already in CA) pest of concern
Aleurotubus jelinekii viburnum whitefly arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Aleyrodes proletella cabbage whitefly arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Anastrepha serpentina sapote fruit fly arthropod fly limited n/a (already in CA) CDFA (reg. A)
Apis mellifera scutellata Africanized honeybee arthropod bee, wasp limited n/a (already in CA) USDA Plant/Pest
Araecerus coffeae coffee bean weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Bactrocera spp. exotic fruit fly arthropod fly limited n/a (already in CA) CDFA (reg. A)
Bagrada hilaris Bagrada bug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Carausius morosus Indian walking stick arthropod stick insect limited n/a (already in CA) CDFA (reg. B)
Cataenococcus olivaceus yucca mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Chelymorpha cassidea argus tortoise beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Chionaspis americana elm scurfy scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Chrysolina bankii leaf beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Chrysophtharta m-fuscum paropsine leaf beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Dasineura rhodophaga rose midge arthropod fly limited n/a (already in CA) CDFA (reg. B)
Dendrothrips ornatus privet thrips arthropod thrips limited n/a (already in CA) CDFA (reg. B)
Diaphania nitidalis pickleworm arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Diaphorina citri Asian citrus psyllid arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Diaprepes abbreviatus Diaprepes root weevil arthropod beetle limited n/a (already in CA) CDFA (reg. A)
Diaspidiotus liquidambaris sweet gum scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Duponchelia fovealis pyralid moth arthropod butterfly, moth limited high CDFA (reg. A)
Dynaspidiotus britannicus holly scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ectomyelois ceratoniae carob moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Epiphyas postvittana Light brown apple moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. A)
Eriococcus pittospori pittosporum scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Euphyllura olivina olive psyllid arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Eupteryx decemnotata Ligurian leafhopper arthropod scale, aphid limited n/a (already in CA) FL Dept. of Ag
Eutetranychus banksi Texas citrus mite arthropod mite limited n/a (already in CA) CDFA (reg. B)
Ferrisia consobrina mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia gilli Gill’s mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia malvastra malvastrum mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Ferrisia virgata striped mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Graphocephala versuta versute sharpshooter arthropod scale, aphid limited moderate CDFA (reg. B)
Halyomorpha halys Brown marmorated stink bug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Homaledra sabalella palm leafskeletonizer arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Homalodisca vitripennis glassy-winged sharpshooter arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Hylastinus obscurus clover root borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Hyperoides humilis weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Inopus rubriceps Australian sod fly arthropod fly limited n/a (already in CA) CDFA (reg. B)
Lepidosaphes beckii purple scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Lepidosaphes maskelli Maskell scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Leucoma salicis satin moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Lobesia botrana European Grapevine Moth arthropod butterfly, moth limited n/a (already in CA) USDA Plant/Pest
Maconellicoccus hirsutus Pink hibiscus mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Melanaspis obscura obscure scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Naupactus leucoloma whitefringed beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Naupactus spp. whitefringed beetles arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Pachynematus extensicornis grass sawfly arthropod bee, wasp limited n/a (already in CA) CDFA (reg. B)
Parlatoria pergandii chaff scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Pectinophora gossypiella pink bollworm arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. A)
Phoracantha spp. eucalyptus (longhorned) borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Phyllophaga spp. white grubs arthropod beetle limited n/a (already in CA) USDA Plant/Pest
Phytalus spp. white grubs arthropod beetle limited n/a (already in CA) USDA Plant/Pest
Phytomyza ilicicola native holly leafminer arthropod fly limited n/a (already in CA) CDFA (reg. B)
Phytomyza ilicis holly leafminer arthropod fly limited n/a (already in CA) CDFA (reg. B)
Planococcus ficus vine mealybug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Protopulvinaria pyriformis pyriform scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Pseudacysta perseae avocado lace bug arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Pseudaulacaspis cockerelli magnolia white scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Psila rosae carrot rust fly arthropod fly limited n/a (already in CA) CDFA (reg. B)
Pterandrus spp. fruit flies arthropod fly limited high USDA Plant/Pest
Pulvinaria psidii green shield scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Pulvinaria urbicola urban soft scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Rhagoletis indifferens western cherry fruit fly arthropod fly limited n/a (already in CA) CDFA (reg. A)
Rhyacionia frustrana Nantucket pine tip moth arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Scapteriscus borellii southern mole cricket arthropod grasshopper, cricket limited n/a (already in CA) CDFA (reg. B)
Siteroptes graminum grass mite arthropod mite limited n/a (already in CA) CDFA (reg. B)
Sitodiplosis mosellana wheat midge arthropod fly limited n/a (already in CA) CDFA (reg. A)
Solenopsis invicta red imported fire ant arthropod bee, wasp limited n/a (already in CA) CDFA (reg. A)
Steneotarsonemus ananas pineapple tarsonemid arthropod mite limited n/a (already in CA) CDFA (reg. B)
Stenolechia bathrodyas juniper gelechiid arthropod butterfly, moth limited n/a (already in CA) CDFA (reg. B)
Tetraleurodes spp. redbanded whitefly arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Tetranychus evansi red spider mite arthropod mite limited n/a (already in CA) CDFA (reg. B)
Tipula paludosa European crane fly arthropod fly limited n/a (already in CA) CDFA (reg. B)
Toumeyella liriodendri tuliptree scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Tranes internatus macrozamia borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Trioza erytreae African citrus psyllid arthropod scale, aphid limited n/a (already in CA) CDFA (reg. A)
Unaspis euonymi euonymus scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
Xyleborus pfeili ambrosia beetle arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Zabrotes spp. bean weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)