Invasive Species in Canada
Explore invasive species records and public occurrence points reported in Canada.
Species profiles
Asian longhorned beetle
Anoplophora glabripennis
A wood-boring beetle that attacks maples and other hardwood trees.
InsectBrown marmorated stink bug
Halyomorpha halys
A broad-feeding stink bug that damages crops and overwinters in buildings.
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
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
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.
MolluskQuagga mussel
Dreissena bugensis
A freshwater mussel related to zebra mussels that colonizes hard and soft substrates.
FishRound goby
Neogobius melanostomus
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.
InsectSpongy moth
Lymantria dispar
A defoliating moth whose larvae feed on many hardwood trees.
InsectSpotted lanternfly
Lycorma delicatula
A planthopper that feeds on many plants and spreads through egg masses on transported materials.
MolluskZebra mussel
Dreissena polymorpha
A freshwater mussel that spreads rapidly by attaching to boats, infrastructure, and native mussels.