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 | |
|---|---|---|---|---|---|---|---|
| Aonidiella aurantii | California red scale | arthropod | scale, aphid | widespread | n/a (already in CA) | CDFA (reg. B) | |
| Aonidiella orientalis | oriental scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Apamea apamiformis | riceworm | arthropod | butterfly, moth | not present | moderate | 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 | |
| Apis mellifera scutellata | Africanized honeybee | arthropod | bee, wasp | limited | n/a (already in CA) | USDA Plant/Pest | |
| Araecerus coffeae | coffee bean weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Argyrotaenia pulchellana | grey red-barred twist | arthropod | butterfly, moth | not present | low | 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) | |
| Attacus atlas | atlas silk moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Bactrocera albistrigata | White Striped Fruit Fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Bactrocera correcta | Guava fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bactrocera dorsalis | Oriental fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bactrocera facialis | Tongan fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bactrocera irvingiae | irvinge fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Bactrocera latifrons | solanaceous fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bactrocera oleae | Olive fruit fly | arthropod | fly | widespread | n/a (already in CA) | pest of concern | |
| Bactrocera scutellata | Striped fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Bactrocera spp. | exotic fruit fly | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. A) | |
| Bactrocera tryoni | Queensland fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bactrocera zonata | Peach fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Bagrada hilaris | Bagrada bug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Brachycerus spp. | garlic beetles | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| 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) | |
| Carausius morosus | Indian walking stick | arthropod | stick insect | limited | n/a (already in CA) | CDFA (reg. B) | |
| Carposina niponensis | peach fruit moth | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Cataenococcus olivaceus | yucca mealybug | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Cathartus quadricollis | squarenecked grain beetle | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Celama sorghiella | sorghum webworm | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Ceratitis capitata | Mediterranean fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Ceratitis rosa | Natal fruit fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Cerodontha iridophora | leafminer fly | arthropod | fly | not present | moderate | 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) | |
| Chelymorpha cassidea | argus tortoise beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chilo plejadellus | rice stalk borer | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Chilo suppressalis | Asiatic rice borer | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Chionaspis americana | elm scurfy scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chionaspis furfura | scurfy scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Choristoneura fumiferana | spruce budworm | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Chrysis spp. | cuckoo wasps | arthropod | bee, wasp | not present | moderate | USDA Plant/Pest | |
| Chrysodeixis chalcites | golden twin spot moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Chrysodeixis eriosoma | green garden looper | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Chrysolina bankii | leaf beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Chrysophtharta m-fuscum | paropsine leaf beetle | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. B) | |
| Clavaspis herculeana | herculeana scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Coccotorus scutellaris | plum gouger | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Coccus viridis | Green scale | arthropod | scale, aphid | not present | high | CDFA (reg. A) | |
| Cochliomyia hominivorax | screwworm | arthropod | fly | not present | low | CDFA (reg. A) | |
| Coelioxys spp. | cuckoo bees | arthropod | bee, wasp | not present | low | USDA Plant/Pest | |
| Conogethes punctiferalis | yellow peach moth | arthropod | butterfly, moth | not present | moderate | USDA Plant/Pest | |
| Conopomorpha cramerella | cocoa pod borer | arthropod | butterfly, moth | not present | low | USDA Plant/Pest | |
| Conopomorpha litchiella | lychee leaf miner | arthropod | butterfly, moth | not present | low | CDFA (reg. A) | |
| Conotrachelus aguacatae | small avocado seed weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Conotrachelus juglandis | butternut curculio | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| 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) | |
| Conotrachelus retentus | black walnut curculio | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Conotrachelus spp. | hidden snout weevils | arthropod | beetle | not present | moderate | USDA Plant/Pest | |
| Contarinia johnsoni | grape blossum midge | arthropod | fly | not present | low | CDFA (reg. A) | |
| Copturus aguacatae | avocado stem weevil | arthropod | beetle | not present | high | USDA Plant/Pest | |
| Corcyra cephalonica | rice moth | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Crisicoccus azaleae | azalea mealybug | arthropod | scale, aphid | not present | moderate | CDFA (reg. B) | |
| Cryptophlebia leucotreta | false codling moth | arthropod | butterfly, moth | not present | high | CDFA (reg. A) | |
| Cryptorhynchus mangiferae | mango seed weevil | arthropod | beetle | not present | low | USDA Plant/Pest | |
| Curculio caryae | pecan weevil | arthropod | beetle | not present | moderate | 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 caryana | hickory shuckworm | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| 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) | |
| Cylas spp. | exotic weevil | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Dacus bivittatus | African pumpkin fly | arthropod | fly | not present | moderate | CDFA (reg. A) | |
| Dacus cucurbitae | Melon fruit fly | arthropod | fly | not present | low | CDFA (reg. A) | |
| Dacus sp. | exotic fruit fly | arthropod | fly | not present | moderate | 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) | |
| Dasineura leguminicola | clover seed midge | arthropod | fly | unknown | VALUE REQUIRED | CDFA (reg. A) | |
| Dasineura rhodophaga | rose midge | arthropod | fly | limited | n/a (already in CA) | CDFA (reg. B) | |
| Dendrothrips ornatus | privet thrips | arthropod | thrips | limited | n/a (already in CA) | CDFA (reg. B) | |
| 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) | |
| Diabrotica virgifera zea | Mexican corn rootworm | arthropod | beetle | not present | moderate | CDFA (reg. A) | |
| Diaphania hyalinata | melonworm | arthropod | butterfly, moth | not present | moderate | CDFA (reg. A) | |
| Diaphania nitidalis | pickleworm | arthropod | butterfly, moth | limited | n/a (already in CA) | CDFA (reg. B) | |
| Diaphorina citri | Asian citrus psyllid | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. A) | |
| Diaprepes abbreviatus | Diaprepes root weevil | arthropod | beetle | limited | n/a (already in CA) | CDFA (reg. A) | |
| Diaprepes sp. | exotic weevil | arthropod | beetle | not present | high | CDFA (reg. A) | |
| Diaspidiotus liquidambaris | sweet gum scale | arthropod | scale, aphid | limited | n/a (already in CA) | CDFA (reg. B) | |
| Diastrophus radicum | raspberry root gall wasp | arthropod | bee, wasp | not present | moderate | CDFA (reg. A) |
