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 | |
|---|---|---|---|---|---|---|---|
| Xanthomonas anoxopodis pv. citri | Citrus Canker | disease | bacterium | not present | high | USDA Plant/Pest | |
| Caulerpa taxifolia | Mediterranean strain | plant | algae | limited | high | OR Weed List | |
| Salsola collina | spineless Russian thistle | plant | herbaceous | not present | high | CDFA | |
| Hieracium aurantiacum | orange hawkweed | plant | herbaceous | not present | high | WA Weed List | |
| Peganum harmala | harmel | plant | herbaceous | not present | high | No list | |
| Echium vulgare | common viper's bugloss | plant | herbaceous | not present | high | WA Weed List | |
| Ottelia alismoides | ducklettuce | plant | herbaceous | not present | high | USDA Plant/Pest | |
| Candidatus Liberibacter asiaticus | Huanglongbing disease of Citrus-Asian Strain | disease | bacterium | not present | high | USDA Plant/Pest | |
| Paramyxovirus-1 (PMV-1) | Exotic newcastle disease (END) | disease | virus | not present | high | National IS Info | |
| Cilivirus cilv-c | Citrus leprosis virus C | disease | virus | not present | high | Acarology Journa | |
| Lysimachia vulgaris | garden loosestrife | plant | herbaceous | not present | high | WA Weed List | |
| Abgrallaspis aguacatae | armored scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Abgrallaspis palmae | tropical palm scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Acalymma vittatum | striped cucumber beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Acrobasis nuxvorella | pecan nut casebearer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Acrolepiopsis assectella | leek moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Acutaspis albopicta | albopicta scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Acutaspis tingi | ting scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Adoretus sinicus | chinese rose beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Adoxophyes orana | summer Fruit Tortrix Moth | arthropod | butterfly, moth | not present | high | USDA Plant/Pest | |
| Agrilus planipennis | emerald ashborer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Agrilus ruficollis | rednecked cane borer | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Alabama argillacea | cotton leafworm | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Aleurocanthus spiniferus | orange spiny whitefly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Aleurocanthus woglumi | citrus blackfly | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Amphitetranychus viennensis | fruit tree spider mite | arthropod | mite | not present | high | USDA Plant/Pest | |
| Anastrepha fraterculus | South American fruit fly | arthropod | fly | not present | high | CDFA (reg. A) | |
| Anastrepha grandis | South American cucurbit fruit fly | arthropod | fly | not present | high | USDA Plant/Pest | |
| Anastrepha sp. | exotic fruit fly | arthropod | fly | not present | high | CDFA (reg. A) | |
| Anoplophora chinensis | citrus longhorned beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Anoplophora glabripennis | Asian longhorned beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Anthonomus grandis grandis | boll weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Anthonomus signatus | strawberry bud weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Aonidiella orientalis | oriental scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Aphis glycines | soybean aphid | arthropod | scale, aphid | not present | high | USDA pest | |
| Apis mellifera capensis | Cape honeybee | arthropod | bee, wasp | not present | high | USDA Plant/Pest | |
| Argyrotaenia velutinana | redbanded leafroller | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Aspidiotus destructor | coconut scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Asterolecanium epidendri | orchard scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Atrichonotus taeniatulus | small lucerne weevil | arthropod | beetle | not present | high | CDFA (reg. B) | |
| Brevipalpus chilensis | false grape mite | arthropod | mite | not present | high | USDA Plant/Pest | |
| Cactoblasis cactorum | cactus moth | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Cathartus quadricollis | squarenecked grain beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Ceroplastes ceriferus | Indian wax scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Ceroplastes floridensis | Florida wax scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Ceroplastes rubens | red wax scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Ceroplastes rusci | fig wax scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Cerotoma trifurcata | bean leaf beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Chalcodermus aeneus | cowpea curculio | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Chilo suppressalis | Asiatic rice borer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Chionaspis furfura | scurfy scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Clavaspis herculeana | herculeana scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Coccus viridis | Green scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Conotrachelus aguacatae | small avocado seed weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| 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 |
