List of invasive species in Italy

Many species of plants, animals, and other organisms are considered invasive species in Italy.

Plants

• Ailanthus altissima (Tree of heaven)
• Amorpha fruticosa (Desert false indigo)
• Ambrosia artemisiifolia (Amrosia artemisifolia)
• Carpobrotus edulis (Hottentot fig)
• Caulerpa racemosa (Grape caulerpa)
• Caulerpa taxifolia, Mediterranean clone
• Crassula helmsii (Australian swamp stonecrop)
• Eichhornia crassipes (Water hyacinth)
• Elodea canadensis (Canadian pondweed)
• Gleditsia triacanthos (Honey locust)
• Heracleum mantegazzianum (Giant hogweed)
• Hydrocotyle ranunculoides (Floating pennywort)
• Impatiens glandulifera (Himalayan balsam)
• Myriophyllum aquaticum (Parrot feather)
• Reynoutria japonica (syn. Fallopia japonica) (Japanese knotweed)
• Robinia pseudoacacia (Black locust)

Fungi

• Ophiostoma ulmi (Dutch elm disease)

Animals

Platyhelminthes

• Bothriocephalus acheilognathi (Asian tapeworm)
• Bipalium kewense (Shovel-headed garden worm)

Molluscs

Marine

• Crassostrea gigas (Pacific oyster)
• Crepidula fornicata (Common slipper shell)
• Rapana Venosa (Veined rapa whelk)

Freshwater

• Corbicula fluminea (Freshwater bivalve mollusk)
• Dreissena polymorpha (Zebra mussel)
• Potamopyrgus antipodarum (New Zealand mud snail)
• Sinanodonta woodiana (Chinese pond mussel)

Crustaceans

• Dikerogammarus villosus (Killer shrimp)
• Eriocheir sinensis (Chinese mitten crab)
• Orconectes limosus (Eastern crayfish)
• Pacifastacus leniusculus (Signal crayfish)
• Procambarus clarkii (Louisiana crawfish)

Insects

• Aedes albopictus (Asian tiger mosquito)
• Brachyponera chinensis (Asian needle ant)
• Cacyreus marshalli (Geranium bronze)
• Dryocosmus kuriphilus (Chestnut gall wasp)
• Drosophila suzukii (Spotted-wing drosophila)
• Harmonia axyridis (Asian lady beetle)
• Leptinotarsa decemlineata (Colorado beetle)
• Linepithema humile (Argentine ant)
• Ricania speculum (Black planthopper)
• Solenopsis invicta (Red imported fire ant)

Amphibians

• Lithobates catesbeianus (American Bullfrog)
• Xenopus laevis (African clawed frog)

Birds

• Alopochen aegyptiacus (Egyptian goose)
• Myiopsitta monachus (Monk parakeet)
• Psittacula krameri (Rose-ringed parakeet)

Fish

• Ameiurus melas (Black bullhead)
• Gambusia affinis (Eastern mosquitofish)
• Lepomis gibbosus (Pumpkinseed sunfish)
• Pseudorasbora parva (Stone moroko)
• Micropterus salmoides (Largemouth Bass)

Mammals

• Eutamias sibiricus (Siberian chipmunk)
• Callosciurus finlaysonii (Finlayson's squirrel)
• Mustela vison (American mink)
• Myocastor coypus (Coypu, nutria)
• Nyctereutes procyonoides (Raccoon dog)
• Ondatra zibethicus (Muskrat)
• Rattus norvegicus (Brown rat)
• Rattus rattus (Black rat)
• Sciurus carolinensis (Grey squirrel)
• Procyon lotor (Common raccoon)

Reptiles

• Trachemys scripta elegans (Red-eared slider)

References