Invasive Species Northern Ireland

American lobster

Homarus americanus

Status:

Potential

Habitat:

Marine

Threats:

Highly adaptable to new environments and food sources. Highly reproductive.

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Asian clam

Corbicula fluminea

Status:

Established

Habitat:

Freshwater

Threats:

Competition with native species. Biofouling.

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Asian hornet

Vespa velutina

Status:

Potential

Habitat:

Terrestrial

Threats:

A highly aggressive predator of native insects, posing a significant threat to honey bees and other pollinators.

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Chinese mitten crab

Eriocheir sinensis

Status:

Potential

Habitat:

Freshwater

Threats:

Threatens ecosystem functioning and protected species.

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Egyptian goose

Alopochen aegyptiacus

Status:

Potential

Habitat:

Terrestrial

Threats:

Hybridization with goose and duck species. Disease vector. Overgrazing. Outcompetes native fauna.

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North American signal crayfish

Pacifastacus leniusculus

Status:

Potential

Habitat:

Freshwater

Threats:

Detrimental impacts on white clawed crayfish. Human health impacts.

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Oak Processionary Moth

Thaumetopoea processionea

Status:

Potential

Habitat:

Terrestrial

Threats:

Tree pest. Health risk to humans and animals.

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Pacific or Pink humpback salmon

Oncorhynchus gorbuscha

Status:

Potential

Habitat:

Freshwater

Threats:

Has a high reproductive rate. May predate on native plankton, crustaceans and smaller fish.

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Quagga mussel

Dreissena rostriformis bugensis

Status:

Established

Habitat:

Freshwater

Threats:

Fouling, negative impacts on native species and local extinction of unionids.

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