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 | |
|---|---|---|---|---|---|---|---|
| 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 | |
| Homaledra sabalella | palm leafskeletonizer | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Homalodisca vitripennis | glassy-winged sharpshooter | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Hylastinus obscurus | clover root borer | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Hyperoides humilis | weevil | arthropod | beetle | limited | n/a (already in CA) | 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 | |
| Inopus rubriceps | Australian sod fly | arthropod | fly | limited | n/a (already in CA) | 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) | |
| Lampides boeticus | bean butterfly | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Lepidosaphes beckii | purple scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Lepidosaphes maskelli | Maskell scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Leptinotarsa decemlineata | Colorado potato beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| 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) | |
| Leucoma salicis | satin moth | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Liriomyza huidobrensis | pea leafminer | arthropod | fly | widespread | n/a (already in CA) | CDFA (reg. A) | |
| Listroderes subcinctus | Chilean vegetable weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Lobesia botrana | European Grapevine Moth | arthropod | butterfly, moth | limited | n/a (already in CA) | 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) | |
| 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) | |
| 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) | |
| Melanaspis obscura | obscure scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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 leucoloma | whitefringed beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Naupactus spp. | whitefringed beetles | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Pachynematus extensicornis | grass sawfly | arthropod | bee, wasp | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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 pergandii | chaff scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| 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) | |
| Phoracantha spp. | eucalyptus (longhorned) borer | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Phyllophaga congrua | May beetle | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Phyllophaga spp. | white grubs | arthropod | beetle | limited | n/a (already in CA) | USDA Plant/Pest | |
| Phylloxera devastatrix | pecan phylloxera | arthropod | scale, aphid | not present | moderate | CDFA (reg. A) | |
| Phytalus spp. | white grubs | arthropod | beetle | limited | n/a (already in CA) | USDA Plant/Pest | |
| Phytomyza ilicicola | native holly leafminer | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Phytomyza ilicis | holly leafminer | arthropod | fly | limited | n/a (already in CA) | 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 ficus | vine mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) |
