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 Extent Risk of Introduction First Sourcesort icon
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)
Crisicoccus azaleae azalea mealybug arthropod scale, aphid not present moderate CDFA (reg. B)
Danothrips trifasciatus thrips arthropod thrips not present high 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)
Diaspidiotus liquidambaris sweet gum scale arthropod scale, aphid limited n/a (already in CA) CDFA (reg. B)
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)
Epitrix tuberis tuber flea beetle arthropod beetle widespread n/a (already in CA) CDFA (reg. B)
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)
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)
Harrisina brillians western grapeleaf skeletonizer arthropod butterfly, moth widespread 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)
Hylurgus ligniperda redhaired pine bark beetle arthropod beetle not present high 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)
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)
Orthotomicus erosus Mediterranean pine engraver arthropod beetle not present high 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)
Phloeotribus liminarius peach bark beetle arthropod beetle not present high CDFA (reg. B)
Phoracantha spp. eucalyptus (longhorned) borer arthropod beetle limited n/a (already in CA) CDFA (reg. B)
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)
Psila rosae carrot rust fly arthropod fly limited n/a (already in CA) CDFA (reg. B)
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 pomonella apple maggot arthropod fly widespread n/a (already in CA) CDFA (reg. B)
Rhopalomyzus poae grass aphid arthropod scale, aphid widespread n/a (already in CA) CDFA (reg. B)
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)
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 oleracea common crane fly arthropod fly not present low 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)
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)
Zabrotes subfasciatus Mexican bean weevil arthropod beetle limited n/a (already in CA) CDFA (reg. B)
Pratylenchus coffeae root-lesion nematode invertebrate nematode unknown moderate CDFA (reg. C)
Tylenchulus semipenetrans citrus nematode invertebrate nematode widespread n/a (already in CA) CDFA (reg. C)
Aphtae epizooticae Hoof and mouth disease disease virus not present moderate CDFA AHFSS
Pestivirus CSFV strain Brescia Classical swine fever virus (strain Brescia) disease virus not present VALUE REQUIRED CDFA AHFSS
Bacillus anthracis Anthrax disease bacterium not present moderate CDFA AHFSS
Unknown pathogenic virus or prion 2 Chronic Wasting Disease (Cervids) disease unknown not present moderate CDFA AHFSS
Avulavirus ndv Exotic Newcastle Disease disease virus not present moderate CDFA AHFSS
Influenzavirus hpav Highly Pathogenic Avian Influenza disease virus VALUE REQUIRED VALUE REQUIRED CDFA AHFSS
Drosophila suzukii Spotted Wing Drosophila arthropod fly widespread n/a (already in CA) CDFA Detect. Adv
Xylella fastidiosa Pierce's Disease/grapevine disease bacterium limited moderate CDFA PD/GWSS
Avian Influenza A (H5N1) Avian influenza disease virus not present moderate CDFA report
Cynomys ludovicianus Prairie dog vertebrate mammal not present low CDFA Vert List
Meriones unguiculatus Mongolian gerbil vertebrate mammal not present moderate CDFA Vert List
Potos flavus Kinkajou vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Nasua nasua Coatimundi vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Nasua narica White-nosed coati vertebrate mammal VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Pycnonotus jocosus Red-whiskered bulbul vertebrate bird limited n/a (already in CA) CDFA Vert List
Acridotheres tristis Common mynah vertebrate bird VALUE REQUIRED VALUE REQUIRED CDFA Vert List
Morbillivirus RBOK Rinderpest virus disease virus not present VALUE REQUIRED Chavarria NRDC
Porcine herpesvirus 1 Swine pseudorabies disease virus not present VALUE REQUIRED Chavarria NRDC
Alphavirus eeev Eastern Equine Encephalitis Virus disease virus not present low Chavarria NRDC
Asfivirus asfv African Swine Fever Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Avipoxvirus Bird pox disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Capripoxvirus lsd Lumpy Skin Disease of Cattle disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Capripoxvirus sppv Sheep pox virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Morbillivirus ppr Peste des Petits Ruminants; disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Orbivirus ahsv African Horse Sickness Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Orthobunyavirus akav Akabane Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Orthopoxvirus cmlv Camel Pox Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Paramyxovirus mv Menangle Virus disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Rhadinovirus aihv-1 Alcelaphine herpesvirus 1 disease virus VALUE REQUIRED VALUE REQUIRED Chavarria NRDC
Vibrio cholerae Cholera disease bacterium limited n/a (already in CA) CIDRAP
Plasmodium falciparum Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium knowlesi Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP
Plasmodium malariae Malaria disease protist VALUE REQUIRED VALUE REQUIRED CIDRAP