Invasive Species in North America
Browse invasive species records and reviewed map points across the United States, Canada, and Mexico.
Species profiles
Asian longhorned beetle
Anoplophora glabripennis (Motschulsky, 1854)
A wood-boring beetle that attacks maples and other hardwood trees.
InsectBrown marmorated stink bug
Halyomorpha halys (Stål, 1855)
A broad-feeding stink bug that damages crops and overwinters in buildings.
ReptileBurmese python
Python bivittatus
A large constrictor snake established outside its native range in parts of Florida.
InsectEmerald ash borer
Agrilus planipennis
A wood-boring beetle that attacks ash trees and has spread widely in North America.
CrustaceanEuropean green crab
Carcinus maenas (Linnaeus, 1758)
A shore crab established on parts of North America's Atlantic and Pacific coasts.
MammalFeral swine
Sus scrofa
A highly adaptable wild pig that damages farms, forests, wetlands, and native species.
FishGrass carp
Ctenopharyngodon idella (Valenciennes, 1844)
A large herbivorous carp introduced for aquatic vegetation control.
InsectHemlock woolly adelgid
Adelges tsugae
A sap-feeding insect that infests hemlock trees and is recognizable by white woolly egg sacs.
PlantHydrilla
Hydrilla verticillata
A submerged aquatic plant that forms dense mats in lakes, rivers, and reservoirs.
PlantKudzu
Pueraria montana
A fast-growing vine that blankets trees, structures, and open land.
MammalNutria
Myocastor coypus (Molina, 1782)
A semi-aquatic rodent that feeds heavily on marsh vegetation.
MolluskQuagga mussel
Dreissena bugensis (Andrusov, 1897)
A freshwater mussel related to zebra mussels that colonizes hard and soft substrates.
InsectRed imported fire ant
Solenopsis invicta
An aggressive ant species that establishes large colonies in disturbed habitats.
FishRound goby
Neogobius melanostomus (Pallas, 1814)
A bottom-dwelling fish introduced to the Great Lakes through ballast water.
FishSea lamprey
Petromyzon marinus
A parasitic fish that invaded the Great Lakes and attaches to large fish.
FishSilver carp
Hypophthalmichthys molitrix (Valenciennes, 1844)
A plankton-feeding carp that can form dense populations in large rivers.
InsectSpongy moth
Lymantria dispar
A defoliating moth whose larvae feed on many hardwood trees.
InsectSpotted lanternfly
Lycorma delicatula (White, 1845)
A planthopper that feeds on many plants and spreads through egg masses on transported materials.
MolluskZebra mussel
Dreissena polymorpha (Pallas, 1771)
A freshwater mussel that spreads rapidly by attaching to boats, infrastructure, and native mussels.