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
Lopholeucaspis cockerelli Cockerell scale arthropod scale, aphid not present high CDFA (reg. A)
Macrodactylus subspinosus rose chafer arthropod beetle not present high CDFA (reg. A)
Malacosoma americanum eastern tent caterpillar arthropod butterfly, moth not present high CDFA (reg. A)
Maladera castanea Asiatic garden beetle arthropod beetle not present high CDFA (reg. A)
Maruca testulalis bean pod borer arthropod butterfly, moth not present high CDFA (reg. A)
Maruca vitrata bean pod borer arthropod butterfly, moth not present high USDA Plant/Pest
Massileurodes chittendeni rhodendron whitefly arthropod scale, aphid not present high CDFA (reg. A)
Morganella longispina plumose scale arthropod scale, aphid not present high CDFA (reg. A)
Mycetaspis spaerioides armored scale arthropod scale, aphid not present high CDFA (reg. A)
Myndus crudus American palm cixiid arthropod scale, aphid not present high CDFA (reg. A)
Neomaskellia bergii sugarcane whitefly arthropod scale, aphid not present high USDA Plant/Pest
Nilotaspis halli Hall scale arthropod scale, aphid not present high CDFA (reg. A)
Oebalus pugnax rice stink bug arthropod scale, aphid not present high CDFA (reg. A)
Opogona sacchari banana moth arthropod butterfly, moth not present high USDA Plant/Pest
Orthotomicus erosus Mediterranean pine engraver arthropod beetle not present high CDFA (reg. B)
Ostrinia nubilalis European corn borer arthropod butterfly, moth not present high CDFA (reg. A)
Oulema melanopus cereal leaf beetle arthropod beetle not present high CDFA (reg. A)
Paratachardina pseudolobata Lobate lac scale arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria blanchardi parlatoria date scale arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria proteus sanseveria scale arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria pseudaspidiotus vand orchid scale arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria theae complex tea paralatoria scale - species complex arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria vandae vanda paralatoria scale arthropod scale, aphid not present high CDFA (reg. A)
Parlatoria ziziphi black citrus scale arthropod scale, aphid not present high CDFA (reg. A)
Pectinophora scutigera pink-spotted bollworm arthropod butterfly, moth not present high USDA Plant/Pest
Phenococcus aceris apple mealybug arthropod scale, aphid not present high CDFA (reg. A)
Phloeotribus liminarius peach bark beetle arthropod beetle not present high CDFA (reg. B)
Pinnaspis buxi boxwood scale arthropod scale, aphid not present high CDFA (reg. A)
Pinnaspis strachani lesser snow scale arthropod scale, aphid not present high CDFA (reg. A)
Pissodes nemorensis eastern pine weevil arthropod beetle not present high CDFA (reg. A)
Planococcus lilacinus coffee mealybug arthropod scale, aphid not present high CDFA (reg. A)
Poliaspis cycadis Poliaspis cycad scale arthropod scale, aphid not present high CDFA (reg. A)
Popillia japonica Japanese beetle arthropod beetle not present high CDFA (reg. A)
Popillia lewisi scarab beetle arthropod beetle not present high CDFA (reg. A)
Pseudaonidia paeoniae peony scale arthropod scale, aphid not present high CDFA (reg. A)
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)
Pseudoparlatoria parlatoriodes false paralatoria scale arthropod scale, aphid not present high CDFA (reg. A)
Pterandrus spp. fruit flies arthropod fly limited high USDA Plant/Pest
Quadraspidiotus ostreaeformis European fruit scale arthropod scale, aphid not present high CDFA (reg. A)
Raoiella indica Red Palm Mite    arthropod mite not present high 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)
Scotinophara lurida rice stinkbug arthropod scale, aphid not present high CDFA (reg. A)
Selenothrips rubrocinctus redbanded thrips arthropod thrips not present high CDFA (reg. A)
Sinoxylon anale dunnage beetle arthropod beetle not present high 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)
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)
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)
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)
Trialeurodes floridensis avocado whitefly arthropod scale, aphid not present high CDFA (reg. A)
Tropilaelaps clareae honeybee mite arthropod mite not present high USDA Plant/Pest
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)
Zeuzera pyrina leopard moth arthropod butterfly, moth not present high CDFA (reg. A)
Orconectes rusticus Rusty crayfish invertebrate crustaceans and tunicates not present high NISIC
Dasypus novemcinctus Nine-banded armadillo vertebrate mammal not present high Cal Code 14:671
Canis familiaris Feral dog vertebrate mammal limited high Cal Code 14:671
Columba livia Feral pigeon vertebrate bird widespread high Witmer et al
Streptopelia decaocto Eurasian collared dove vertebrate bird not present high 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
Ambystoma tigrinum Eastern Tiger Salamander vertebrate amphibian limited high 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
Gekko gecko Tokay gecko vertebrate reptile not present high Cal Code 14:671
Tupinambis merianae Argentina giant tegu vertebrate reptile not present high Cal Code 14:671
Nerodia rhombifer Diamondback water snake vertebrate reptile not present high Cal Code 14:671
Boiga irregularis Brown treesnake vertebrate reptile not present high Cal Code 14:671
Amia calva Bowfin vertebrate fish not present high Cal Code 14:671
Serrasalminae Piranha vertebrate fish not present high FL FWCC NNS List
Scardinius erythropthalmus Rudd vertebrate fish not present high Harmful U.S. NIS
Lepstosteus lucius Longnose Gar vertebrate fish not present high Cal Code 14:671
Esox lucius Northern Pike vertebrate fish not present high Cal Code 14:671
Allaria petiolata garlic mustard plant herbaceous not present high OR Weed List
Ambrosia tomentosa skeletonleaf bursage plant herbaceous not present high ID Weed List
Anthriscus sylvestris wild chervil plant herbaceous not present high WA Weed List
Butomus umbellatus flowering rush plant herbaceous not present high WA Weed List
Carum carvi wild caraway plant herbaceous not present high CO Weed List
Clematis orientalis Chinese clematis plant herbaceous not present high CO Weed List
Didymosphenia geminata didymo plant algae limited high Hoffman NOAA
Dipsacus laciniatus cutleaf teasel plant herbaceous not present high CO Weed List
Epilobium hirsutum hairy willow herb plant herbaceous not present high WA Weed List
Euryops multifidus hawk's eye plant woody not present high AZ Weed List