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
Apis mellifera capensis Cape honeybee arthropod bee, wasp not present high USDA Plant/Pest
Argyrotaenia pulchellana grey red-barred twist arthropod butterfly, moth not present low USDA Plant/Pest
Argyrotaenia velutinana redbanded leafroller arthropod butterfly, moth not present high CDFA (reg. A)
Aspidiotus destructor coconut scale arthropod scale, aphid not present high CDFA (reg. A)
Asterolecanium epidendri orchard scale arthropod scale, aphid not present high CDFA (reg. A)
Atrichonotus taeniatulus small lucerne weevil arthropod beetle not present high CDFA (reg. B)
Attacus atlas atlas silk moth arthropod butterfly, moth not present moderate CDFA (reg. A)
Bactrocera albistrigata White Striped Fruit Fly arthropod fly not present low 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 irvingiae irvinge fruit fly arthropod fly not present low CDFA (reg. A)
Bactrocera latifrons solanaceous fruit fly arthropod fly not present moderate CDFA (reg. A)
Bactrocera scutellata Striped fruit fly arthropod fly not present low 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
Brevipalpus chilensis false grape mite arthropod mite not present high USDA Plant/Pest
Cactoblasis cactorum cactus moth arthropod butterfly, moth not present high CDFA (reg. A)
Carposina niponensis peach fruit moth arthropod butterfly, moth not present low USDA Plant/Pest
Cathartus quadricollis squarenecked grain beetle arthropod beetle not present high CDFA (reg. A)
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)
Ceroplastes ceriferus Indian wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes floridensis Florida wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes rubens red wax scale arthropod scale, aphid not present high CDFA (reg. A)
Ceroplastes rusci fig wax scale arthropod scale, aphid not present high CDFA (reg. A)
Cerotoma trifurcata bean leaf beetle arthropod beetle not present high CDFA (reg. A)
Chalcodermus aeneus cowpea curculio arthropod beetle not present high CDFA (reg. A)
Chilo plejadellus rice stalk borer arthropod butterfly, moth not present moderate CDFA (reg. A)
Chilo suppressalis Asiatic rice borer arthropod butterfly, moth not present high CDFA (reg. A)
Chionaspis furfura scurfy scale arthropod scale, aphid not present high 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)
Chrysodeixis eriosoma green garden looper arthropod butterfly, moth not present low CDFA (reg. A)
Clavaspis herculeana herculeana scale arthropod scale, aphid not present high CDFA (reg. A)
Coccotorus scutellaris plum gouger arthropod beetle not present moderate CDFA (reg. A)
Coccus viridis Green scale arthropod scale, aphid not present high CDFA (reg. A)
Cochliomyia hominivorax screwworm arthropod fly not present low CDFA (reg. A)
Coelioxys spp. cuckoo bees arthropod bee, wasp not present low USDA Plant/Pest
Conogethes punctiferalis yellow peach moth arthropod butterfly, moth not present moderate USDA Plant/Pest
Conopomorpha cramerella cocoa pod borer arthropod butterfly, moth not present low USDA Plant/Pest
Conopomorpha litchiella lychee leaf miner arthropod butterfly, moth not present low CDFA (reg. A)
Conotrachelus aguacatae small avocado seed weevil arthropod beetle not present high USDA Plant/Pest
Conotrachelus juglandis butternut curculio arthropod beetle not present moderate CDFA (reg. A)
Conotrachelus nenuphar plum curculio arthropod beetle not present high CDFA (reg. A)
Conotrachelus perseae small seed weevil arthropod beetle not present high 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
Contarinia johnsoni grape blossum midge arthropod fly not present low CDFA (reg. A)
Copturus aguacatae avocado stem weevil arthropod beetle not present high 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)
Cryptophlebia leucotreta false codling moth arthropod butterfly, moth not present high CDFA (reg. A)
Cryptorhynchus mangiferae mango seed weevil arthropod beetle not present low USDA Plant/Pest
Curculio caryae pecan weevil arthropod beetle not present moderate CDFA (reg. A)
Curculio elephas chestnut weevil arthropod beetle not present high USDA Plant/Pest
Curculio nucum hazelnut weevil arthropod beetle not present high USDA Plant/Pest
Cydia caryana hickory shuckworm arthropod butterfly, moth not present moderate CDFA (reg. A)
Cydia funebrana red plum maggot arthropod butterfly, moth not present high USDA Plant/Pest
Cydia splendana chestnut moth arthropod butterfly, moth not present high CDFA (reg. A)
Cylas formicarius elegantulus sweetpotato weevil arthropod beetle not present high 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 cucurbitae Melon fruit fly arthropod fly not present low CDFA (reg. A)
Dacus sp. exotic fruit fly arthropod fly not present moderate CDFA (reg. A)
Danothrips trifasciatus thrips arthropod thrips not present high CDFA (reg. B)
Darna pallivitta limacodid moth arthropod butterfly, moth not present high CDFA (reg. A)
Diabrotica barberi northern corn rootworm arthropod beetle not present high CDFA (reg. A)
Diabrotica undecimpunctata howardi spotted cucumber beetle arthropod beetle not present high CDFA (reg. A)
Diabrotica virgifera virgifera western corn rootworm arthropod beetle not present high 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)
Diaprepes sp. exotic weevil arthropod beetle not present high 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)
Diprion similis introduced pine sawfly arthropod bee, wasp not present high CDFA (reg. A)
Dryocosmus kuriphilus chestnut gall wasp arthropod bee, wasp not present high USDA Plant/Pest
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
Endopiza viteana grape berry moth arthropod butterfly, moth not present high CDFA (reg. A)
Epilachna borealis squash beetle arthropod beetle not present high CDFA (reg. A)
Epilachna tridecimnotata ladybird beetle arthropod beetle not present high CDFA (reg. A)
Epilachna varivestis Mexican bean beetle arthropod beetle not present high CDFA (reg. A)
Eriophyes gossypii cotton blister mite arthropod mite not present high USDA Plant/Pest
Eriophyes litchii lychee erinose mite arthropod mite not present moderate USDA Plant/Pest
Euproctis chrysorrhoea browntail moth arthropod butterfly, moth not present low CDFA (reg. A)
Euscepes postfasciatus Indian sweetpotato weevil arthropod beetle not present high USDA Plant/Pest
Exosoma lusitanica leaf beetle arthropod beetle not present high USDA Plant/Pest
Fenusa pusilla birch leafminer arthropod bee, wasp not present high CDFA (reg. A)