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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 Introductionsort icon First Source
Drymaria arenarioides lightening weed plant herbaceous not present moderate USDA Plant/Pest
Closterovirus CTV Citrus tisteza virus disease virus limited moderate APHIS OPIS
Crinivirus CYSDV Cucurbit Yellow Stunting Disorder Virus disease virus limited moderate EPPO
Acrobasis juglandis pecan leaf casebearer arthropod butterfly, moth not present moderate CDFA (reg. A)
Acrolepia assectella leek moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Anastrepha ludens complex Mexican fruit fly complex arthropod fly not present moderate CDFA (reg. A)
Anastrepha obliqua West Indian fruit fly arthropod fly not present moderate CDFA (reg. A)
Anastrepha suspensa Caribbean fruit fly arthropod fly not present moderate CDFA (reg. A)
Anomala orientalis Oriental beetle arthropod beetle not present moderate CDFA (reg. A)
Antaeotricha leucillana stenomine oecophorid arthropod butterfly, moth not present moderate CDFA (reg. A)
Apamea apamiformis riceworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Attacus atlas atlas silk moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Bactrocera correcta Guava fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera dorsalis Oriental fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera facialis Tongan fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera latifrons solanaceous fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera tryoni Queensland fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera zonata Peach fruit fly arthropod fly not present moderate CDFA (reg. A)
Brachycerus spp. garlic beetles arthropod beetle not present moderate USDA Plant/Pest
Celama sorghiella sorghum webworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Ceratitis capitata Mediterranean fruit fly arthropod fly not present moderate CDFA (reg. A)
Ceratitis rosa Natal fruit fly arthropod fly not present moderate CDFA (reg. A)
Cerodontha iridophora leafminer fly arthropod fly not present moderate CDFA (reg. A)
Chilo plejadellus rice stalk borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Choristoneura fumiferana spruce budworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Chrysis spp. cuckoo wasps arthropod bee, wasp not present moderate USDA Plant/Pest
Chrysodeixis chalcites golden twin spot moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Coccotorus scutellaris plum gouger arthropod beetle not present moderate CDFA (reg. A)
Conogethes punctiferalis yellow peach moth arthropod butterfly, moth not present moderate USDA Plant/Pest
Conotrachelus juglandis butternut curculio arthropod beetle not present moderate CDFA (reg. A)
Conotrachelus retentus black walnut curculio arthropod beetle not present moderate CDFA (reg. A)
Conotrachelus spp. hidden snout weevils arthropod beetle not present moderate USDA Plant/Pest
Corcyra cephalonica rice moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Crisicoccus azaleae azalea mealybug arthropod scale, aphid not present moderate CDFA (reg. B)
Curculio caryae pecan weevil arthropod beetle not present moderate CDFA (reg. A)
Cydia caryana hickory shuckworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Cylas spp. exotic weevil arthropod beetle not present moderate CDFA (reg. A)
Dacus bivittatus African pumpkin fly arthropod fly not present moderate CDFA (reg. A)
Dacus sp. exotic fruit fly arthropod fly not present moderate CDFA (reg. A)
Diabrotica virgifera zea Mexican corn rootworm arthropod beetle not present moderate CDFA (reg. A)
Diaphania hyalinata melonworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Diastrophus radicum raspberry root gall wasp arthropod bee, wasp not present moderate CDFA (reg. A)
Diatraea crambidoides southern corn stalk borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Diatraea grandiosella southwestern corn borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Diatraea saccharalis sugarcane borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Dinaspis aculeata armored scale arthropod scale, aphid not present moderate CDFA (reg. A)
Diocalandra spp. coconut weevils arthropod beetle not present moderate CDFA (reg. A)
Diocalandra taitensis Tahitian coconut weevil arthropod beetle not present moderate CDFA (reg. A)
Dysmicoccus alazon alazon mealybug arthropod scale, aphid not present moderate CDFA (reg. A)
Dyspessa ulula onion carpenter worm arthropod butterfly, moth not present moderate USDA Plant/Pest
Earias fabia spotted bollworm arthropod butterfly, moth not present moderate USDA Plant/Pest
Elytroteinus subtruncatus Fijian ginger weevil arthropod beetle not present moderate USDA Plant/Pest
Eriophyes litchii lychee erinose mite arthropod mite not present moderate USDA Plant/Pest
Gerstaeckeria nobilis weevil arthropod beetle not present moderate CDFA (reg. A)
Globodera pallida Pale cyst nematode invertebrate nematode not present moderate NAPPA Phyto
Gonodonta pyrgo citrus fruitpiercing moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Graphocephala versuta versute sharpshooter arthropod scale, aphid limited moderate CDFA (reg. B)
Halysidota tessellaris pale tussock moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Helicoverpa hawaiiensis Hawaiian bud moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Holotrichia mindanaona white grub arthropod beetle not present moderate USDA Plant/Pest
Hypothenemus hampei coffee berry borer arthropod beetle not present moderate USDA Plant/Pest
Icerya aegyptiaca Egyptian fluted scale arthropod scale, aphid not present moderate USDA Plant/Pest
Lampides boeticus bean butterfly arthropod butterfly, moth not present moderate CDFA (reg. A)
Leptocorisa acuta rice seed bug arthropod scale, aphid not present moderate USDA Plant/Pest
Leptoglossus chilensis brown Chilean leaf-footed bug arthropod scale, aphid not present moderate USDA Plant/Pest
Leucinodes orbonalis eggplant fruit borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Leucoptera malifoliella pear leaf blister moth arthropod butterfly, moth not present moderate USDA Plant/Pest
Liothrips oleae olive thrips arthropod thrips not present moderate CDFA (reg. A)
Lophocateres pusillus Siamese grain borer arthropod beetle not present moderate CDFA (reg. A)
Lymantria dispar Gypsy moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Lymantria spp. exotic moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Mamestra brassicae cabbage moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Melittia calabaza southwestern squash vine borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Melittia cucurbitae squash vine borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Mesolecanium nigrofasciatum terrapin scale arthropod scale, aphid not present moderate CDFA (reg. A)
Metamasius spp. bromeliad weevils arthropod beetle not present moderate USDA Plant/Pest
Mononychellus tanajoa green spider mite arthropod mite not present moderate USDA Plant/Pest
Myllocerus undecimpustulatus undatus Sri Lanka weevil arthropod beetle not present moderate CDFA (reg. A)
Naupactus xanthographus South American fruit tree weevil arthropod beetle not present moderate USDA Plant/Pest
Omphisa anastomosalis sweetpotato vine borer arthropod beetle not present moderate USDA Plant/Pest
Orgyia leucostigma whitemarked tussock moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Papaipema nebris stalk borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Papilio demoleus lime swallowtail arthropod butterfly, moth not present moderate CDFA (reg. A)
Phenococcus manihoti cassava mealybug arthropod scale, aphid not present moderate USDA Plant/Pest
Phyllophaga congrua May beetle arthropod beetle not present moderate CDFA (reg. A)
Phylloxera devastatrix pecan phylloxera arthropod scale, aphid not present moderate CDFA (reg. A)
Plathypena scabra green cloverworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Pratylenchus coffeae root-lesion nematode invertebrate nematode unknown moderate CDFA (reg. C)
Prostephanus truncatus larger grain borer arthropod beetle not present moderate CDFA (reg. A)
Protaetia fusca mango flower beetle arthropod beetle not present moderate CDFA (reg. A)
Protaetia orientalis oriental flower beetle arthropod beetle not present moderate CDFA (reg. A)
Pseudococcus importatus imported mealybug arthropod scale, aphid not present moderate CDFA (reg. A)
Radopholus similis Burrowing Nematode invertebrate nematode not present moderate CDFA (reg. A)
Rhabdoscelus obscurus New Guinea sugarcane weevil arthropod beetle not present moderate USDA Plant/Pest
Rhagoletis boycei walnut husk fly arthropod fly not present moderate CDFA (reg. A)
Rhagoletis cingulata cherry fruit fly arthropod fly not present moderate CDFA (reg. A)
Rhagoletis fausta black cherry fruit fly arthropod fly not present moderate CDFA (reg. A)
Rhagoletis juglandis walnut husk fly arthropod fly not present moderate CDFA (reg. A)
Rhagoletis mendax blueberry maggot arthropod fly not present moderate CDFA (reg. A)
Rhagoletis spp. exotic fruit fly arthropod fly unknown moderate CDFA (reg. A)