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 | |
|---|---|---|---|---|---|---|---|
| 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) | |
| Copturus aguacatae | avocado stem weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Cryptophlebia leucotreta | false codling moth | arthropod | butterfly, moth | not present | high | 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 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) | |
| 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) | |
| Diaprepes sp. | exotic weevil | arthropod | beetle | not present | high | 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 | |
| Duponchelia fovealis | pyralid moth | arthropod | butterfly, moth | limited | high | 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) | |
| Eriophyes gossypii | cotton blister mite | arthropod | mite | not present | high | USDA Plant/Pest | |
| 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 | |
| Gymnaspis aechmeae | aechmea scale | arthropod | scale, aphid | not present | high | 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) | |
| 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) | |
| 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) | |
| 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) | |
| 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) | |
| Listroderes subcinctus | Chilean vegetable weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| 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) |
