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 Source | |
|---|---|---|---|---|---|---|---|
| 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) | |
| Fiorinia theae | tea scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Frankliniella tritici | flower thrips | arthropod | thrips | not present | high | CDFA (reg. A) | |
| Furcaspis biformis | red orchard scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Furcaspis oceanica | coconut red scale | arthropod | scale, aphid | not present | high | 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 | |
| Globodera rostochiensis | Golden Nematode | invertebrate | nematode | not present | low | CDFA (reg. A) | |
| Gonodonta pyrgo | citrus fruitpiercing moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Gymnaspis aechmeae | aechmea scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Halysidota tessellaris | pale tussock moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Haplothrips chinensis | thrips | arthropod | thrips | not present | high | USDA Plant/Pest | |
| Harmonia axyridis | Multicolored asian ladybeetle | arthropod | beetle | not present | high | USDA pest | |
| Harrisina americana | grapeleaf skeletonizer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Heilipus lauri | avocado seed weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Helicoverpa hawaiiensis | Hawaiian bud moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Heliocoverpa armigera (Hübner) | cotton bollworm | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Hemiberlesia palmae | tropical palm scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Hemimene juliana | nut fruit tortrix | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Holotrichia mindanaona | white grub | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| Horidiplosis ficifolii | Ornamental fig pest | arthropod | fly | not present | low | Univ. Florida | |
| Howardia biclavis | mining scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Hylobius pales | pales weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Hylotrupes bajulus | old house borer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Hylurgus ligniperda | redhaired pine bark beetle | arthropod | beetle | not present | high | CDFA (reg. B) | |
| 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 | |
| Ischnaspis longirostris | black thread scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Kilifia acuminata | acuminate scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Lampides boeticus | bean butterfly | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Leptinotarsa decemlineata | Colorado potato beetle | arthropod | beetle | not present | high | CDFA (reg. A) |
