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 |
|
|---|---|---|---|---|---|---|---|
| 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) | |
| 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) | |
| Plathypena scabra | green cloverworm | arthropod | butterfly, moth | not present | moderate | 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) | |
| Prostephanus truncatus | larger grain borer | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Protaetia fusca | mango flower beetle | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Protaetia orientalis | oriental flower beetle | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Pseudaonidia paeoniae | peony scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Pseudaulacaspis cockerelli | magnolia white scale | arthropod | scale, aphid | limited | n/a (already in CA) | 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) | |
| 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) | |
| 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 indifferens | western cherry fruit fly | arthropod | fly | limited | n/a (already in CA) | 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) |
