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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 Extentsort icon Risk of Introduction First Source
Pseudaulacaspis pentagona white peach scale arthropod scale, aphid not present high CDFA (reg. A)
Pseudococcus cryptus citriculus mealybug arthropod scale, aphid not present high CDFA (reg. A)
Pseudococcus dendrobiorum Orchid mealybug arthropod scale, aphid not present high CDFA (reg. A)
Pseudococcus elisae banana mealybug arthropod scale, aphid not present low CDFA (reg. A)
Pseudococcus importatus imported mealybug arthropod scale, aphid not present moderate CDFA (reg. A)
Pseudoparlatoria parlatoriodes false paralatoria scale arthropod scale, aphid not present high CDFA (reg. A)
Quadraspidiotus ostreaeformis European fruit scale arthropod scale, aphid not present high CDFA (reg. A)
Radopholus similis Burrowing Nematode invertebrate nematode not present moderate CDFA (reg. A)
Raoiella indica Red Palm Mite    arthropod mite not present high 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 cerasi European cherry fruit fly arthropod fly not present low 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 suavis walnut husk fly arthropod fly not present moderate CDFA (reg. A)
Rhizotrogus majalis European chafer arthropod beetle not present moderate CDFA (reg. A)
Rhyacionia buoliana European pine shoot moth arthropod butterfly, moth not present high CDFA (reg. A)
Rhynchophorus ferrugineus red palm weevil arthropod beetle not present high CDFA (reg. A)
Rotylenchulus reniformis Reniform Nematode invertebrate nematode not present moderate CDFA (reg. A)
Saccharicoccus sacchari pink sugarcane mealybug arthropod scale, aphid not present moderate CDFA (reg. A)
Sannina uroceriformis persimmon borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Scotinophara lurida rice stinkbug arthropod scale, aphid not present high CDFA (reg. A)
Scrobipalpa ocellatella surgarbeet crown borer arthropod butterfly, moth not present low CDFA (reg. A)
Selenaspidus articulatus rufous scale arthropod scale, aphid not present moderate CDFA (reg. A)
Selenothrips rubrocinctus redbanded thrips arthropod thrips not present high CDFA (reg. A)
Sesamia cretica durra stalk borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Singhiella simplex Fig whitefly arthropod scale, aphid not present moderate FL Dept. of Ag
Sinoxylon anale dunnage beetle arthropod beetle not present high CDFA (reg. A)
Sirex noctilio sirex woodwasp arthropod bee, wasp not present moderate CDFA (reg. A)
Sminthurus viridus lucerne flea arthropod springtail not present low USDA Plant/Pest
Sogatodes orizicola rice delphacid arthropod scale, aphid not present moderate CDFA (reg. A)
Solenopsis geminata tropical fire ant arthropod bee, wasp not present high CDFA (reg. A)
Solenopsis richteri X Solenopsis invicta hybrid hybrid fire ant arthropod bee, wasp not present high CDFA (reg. A)
Solenopsis saevissima red imported fire ant arthropod bee, wasp not present moderate CDFA (reg. A)
Sphenophorus maidis maize billbug arthropod beetle not present moderate CDFA (reg. A)
Spodoptera dolichos armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera eridania southern armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera exempta nutgrass armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera latifascia lateral lined armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera littoralis Egyptian cottonworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera mauritia lawn armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Spodoptera sunia Costa Rican armyworm arthropod butterfly, moth not present high CDFA (reg. A)
Steneotarsonemus spinki panicle rice mite arthropod mite not present high CDFA (reg. A)
Stenoma catenifer avocado seed moth arthropod butterfly, moth not present high CDFA (reg. A)
Sternochetus mangiferae mango seed weevil arthropod beetle not present moderate USDA Plant/Pest
Syngrapha epigaea inscribed looper moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Thaumatotibia leucotreta False codling moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Thrips angusticeps cabbage thrips arthropod thrips not present high CDFA (reg. A)
Thrips florum banana flower thrips arthropod thrips not present high CDFA (reg. A)
Thrips palmi melon thrips arthropod thrips not present high CDFA (reg. A)
Thyridopteryx ephemeraeformis bagworm arthropod butterfly, moth not present high CDFA (reg. A)
Tildenia gudmannella pepper flower bud moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Tipula oleracea common crane fly arthropod fly not present low CDFA (reg. B)
Tischeria marginata moth arthropod butterfly, moth not present low CDFA (reg. A)
Tomicus piniperda pine shoot beetle arthropod beetle not present high CDFA (reg. A)
Toxoptera citricida Brown citrus aphid arthropod scale, aphid not present high CDFA (reg. A)
Toxotrypana curvicauda papaya fruit fly arthropod fly not present moderate CDFA (reg. A)
Trialeurodes floridensis avocado whitefly arthropod scale, aphid not present high CDFA (reg. A)
Trioza tripunctata blackberry psyllid arthropod scale, aphid not present moderate CDFA (reg. A)
Trogoderma granarium khapra beetle arthropod beetle not present moderate CDFA (reg. A)
Tropilaelaps clareae honeybee mite arthropod mite not present high USDA Plant/Pest
Typophorus nigritus viridicyaneus sweetpotato leaf beetle arthropod beetle not present moderate CDFA (reg. A)
Unaspis citri citrus snow scale arthropod scale, aphid not present moderate CDFA (reg. A)
Velataspis dentata dentate scale arthropod scale, aphid not present moderate CDFA (reg. A)
Xyleborinus andrewesi Asian ambrosia beetle arthropod beetle not present high CDFA (reg. A)
Xyleborus glabratus Redbay ambrosia beetle arthropod beetle not present high CDFA (reg. A)
Xyleborus spp. ambrosia beetles arthropod beetle not present moderate USDA Plant/Pest
Zeiraphera canadensis spruce budworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Zonosemata electa pepper maggot arthropod fly not present moderate CDFA (reg. A)
Zophodia convolutella gooseberry fruitworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Zygogramma exclamationis sunflower beetle arthropod beetle not present moderate CDFA (reg. A)
Limnoperna fortunei Golden mussel invertebrate aquatic mollusk, freshwater not present low ANSIS
Orconectes rusticus Rusty crayfish invertebrate crustaceans and tunicates not present high NISIC
Trichosurus vulpecula Brush-tailed possum vertebrate mammal not present low Lacey Act
Pteropus spp. Flying fox vertebrate mammal not present low Cal Code 14:671
Dasypus novemcinctus Nine-banded armadillo vertebrate mammal not present high Cal Code 14:671
Cynomys ludovicianus Prairie dog vertebrate mammal not present low CDFA Vert List
Cricetomys gambianus Gambian giant pouched rat vertebrate mammal not present low Cal Code 14:671
Mastomys spp. Multimammate rat or mouse vertebrate mammal not present low Lacey Act
Meriones unguiculatus Mongolian gerbil vertebrate mammal not present moderate CDFA Vert List
Streptopelia decaocto Eurasian collared dove vertebrate bird not present high Cal Code 14:671
Padda oryzivora Java sparrow vertebrate bird not present low Lacey Act
Quelea quelea Red-billed quelea vertebrate bird not present low Cal Code 14:671
Acridotheres cristatellus Crested mynah vertebrate bird not present low Cal Code 14:671
Bufo marinus Giant toad vertebrate amphibian not present high Cal Code 14:671
Eleutherodactylus coqui Coqui frog vertebrate amphibian not present high Cal Code 14:671
Osteopilus septentrionalis Cuban treefrog vertebrate amphibian not present low Cal Code 14:671
Glandirana rugosa Japanese wrinkled frog vertebrate amphibian not present moderate Witmer et al
Chelydra serpentine Snapping turtle vertebrate reptile not present moderate Cal Code 14:671
Caiman crocodilus Spectacled caiman vertebrate reptile not present high Cal Code 14:671
Anolis equestris Knight anole vertebrate reptile not present high Cal Code 14:671
Anolis sagrei Brown anole vertebrate reptile not present high Cal Code 14:671
Ctenosaura similis Black spinytail iguana vertebrate reptile not present high Cal Code 14:671
Ctenosaura pectinata Mexican spinytail iguana vertebrate reptile not present moderate Cal Code 14:671
Gekko gecko Tokay gecko vertebrate reptile not present high Cal Code 14:671
Varanus niloticus Nile monitor vertebrate reptile not present moderate Cal Code 14:671
Tupinambis merianae Argentina giant tegu vertebrate reptile not present high Cal Code 14:671