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 |
|
|---|---|---|---|---|---|---|---|
| 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) | |
| Darna pallivitta | limacodid moth | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Dasineura leguminicola | clover seed midge | arthropod | fly | unknown | VALUE REQUIRED | 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) | |
| Diaphorina citri | Asian citrus psyllid | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Diaprepes abbreviatus | Diaprepes root weevil | arthropod | beetle | limited | n/a (already in CA) | 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) | |
| Duponchelia fovealis | pyralid moth | arthropod | butterfly, moth | limited | high | CDFA (reg. A) | |
| Dysmicoccus alazon | alazon mealybug | arthropod | scale, aphid | not present | moderate | CDFA (reg. A) | |
| 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) | |
| Epiphyas postvittana | Light brown apple moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. A) | |
| Eumerus aurifrons | exotic bulb fly | arthropod | fly | unknown | VALUE REQUIRED | CDFA (reg. A) | |
| Euproctis chrysorrhoea | browntail moth | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| 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) | |
| Gerstaeckeria nobilis | weevil | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| 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) | |
| 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) | |
| Hemicycliophora arenaria | sheath nematode | invertebrate | nematode | unknown | n/a (already in CA) | CDFA (reg. A) | |
| 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) | |
| 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) | |
| Leptocybe invasa | Blue gum chalcid | arthropod | bee, wasp | not present | high | CDFA (reg. A) | |
| Leucinodes orbonalis | eggplant fruit borer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Liothrips oleae | olive thrips | arthropod | thrips | not present | moderate | CDFA (reg. A) | |
| Liriomyza huidobrensis | pea leafminer | arthropod | fly | widespread | n/a (already in CA) | CDFA (reg. A) | |
| Lophocateres pusillus | Siamese grain borer | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Lopholeucaspis cockerelli | Cockerell scale | arthropod | scale, aphid | not present | high | 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) | |
| Lymire edwardsii | Edwards' wasp moth | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Maconellicoccus hirsutus | Pink hibiscus mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Macrodactylus subspinosus | rose chafer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Magicicada septendecim | periodical cicada | arthropod | scale, aphid | not present | low | 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) | |
| Mamestra brassicae | cabbage moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Maruca testulalis | bean pod borer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Massileurodes chittendeni | rhodendron whitefly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Megalopyge opercularis | puss caterpillar | arthropod | butterfly, moth | not present | low | 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) | |
| 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) | |
| Myllocerus undecimpustulatus undatus | Sri Lanka weevil | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Myndus crudus | American palm cixiid | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| 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) | |
| Ophiomyia phaseoli | bean fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Orgyia leucostigma | whitemarked tussock moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| 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) | |
| 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) | |
| 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 gossypiella | pink bollworm | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. A) | |
| Phenococcus aceris | apple mealybug | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| 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) | |
| Pinnaspis buxi | boxwood scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) |
