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 | |
|---|---|---|---|---|---|---|---|
| Leptocorisa acuta | rice seed bug | arthropod | scale, aphid | not present | moderate | USDA Plant/Pest | |
| Leptocybe invasa | Blue gum chalcid | arthropod | bee, wasp | not present | high | CDFA (reg. A) | |
| Leptoglossus chilensis | brown Chilean leaf-footed bug | arthropod | scale, aphid | not present | moderate | USDA Plant/Pest | |
| Leucinodes orbonalis | eggplant fruit borer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Leucoptera malifoliella | pear leaf blister moth | arthropod | butterfly, moth | not present | moderate | USDA Plant/Pest | |
| Liothrips oleae | olive thrips | arthropod | thrips | not present | moderate | CDFA (reg. A) | |
| Listroderes subcinctus | Chilean vegetable weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| 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) | |
| 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) | |
| 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) | |
| 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) | |
| Metamasius spp. | bromeliad weevils | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| Mononychellus tanajoa | green spider mite | arthropod | mite | not present | moderate | USDA Plant/Pest | |
| 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) | |
| Naupactus xanthographus | South American fruit tree weevil | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| 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) | |
| Omphisa anastomosalis | sweetpotato vine borer | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| Ophiomyia phaseoli | bean fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Opogona sacchari | banana moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Orgyia leucostigma | whitemarked tussock moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| 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) | |
| Pammene fasciana | chestnut leaf roller | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| 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 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) | |
| Phenococcus manihoti | cassava mealybug | arthropod | scale, aphid | not present | moderate | USDA Plant/Pest | |
| Phloeotribus liminarius | peach bark beetle | arthropod | beetle | not present | high | CDFA (reg. B) | |
| 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) | |
| Prays endocarpa | citrus pock caterpillar | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| 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 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) | |
| Rhabdoscelus obscurus | New Guinea sugarcane weevil | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| 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 juglandis | walnut husk fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Rhagoletis mendax | blueberry maggot | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Rhagoletis suavis | walnut husk fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Rhizotrogus majalis | European chafer | arthropod | beetle | not present | moderate | 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) | |
| Rotylenchulus reniformis | Reniform Nematode | invertebrate | nematode | not present | moderate | CDFA (reg. A) | |
| Saccharicoccus sacchari | pink sugarcane mealybug | arthropod | scale, aphid | not present | moderate | CDFA (reg. A) | |
| Sannina uroceriformis | persimmon borer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Scotinophara lurida | rice stinkbug | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Scrobipalpa ocellatella | surgarbeet crown borer | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Selenaspidus articulatus | rufous scale | arthropod | scale, aphid | not present | moderate | CDFA (reg. A) | |
| Selenothrips rubrocinctus | redbanded thrips | arthropod | thrips | not present | high | CDFA (reg. A) | |
| Sesamia cretica | durra stalk borer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Singhiella simplex | Fig whitefly | arthropod | scale, aphid | not present | moderate | FL Dept. of Ag | |
| Sinoxylon anale | dunnage beetle | arthropod | beetle | not present | high | CDFA (reg. A) |
