Alder Spittlebug vs Atlantic Stream Crayfish

Aphrophora alni compared with Austropotamobius pallipes

Key Differences

Alder Spittlebug is Least Concern while Atlantic Stream Crayfish is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Atlantic Stream Crayfish
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class	Insecta (Insects)	Malacostraca (Crustaceans)
Order	Hemiptera (Hemiptera)	Decapoda (Decapoda)
Family	Aphrophoridae	Astacidae
Genus	Aphrophora	Austropotamobius
Species	Aphrophora alni	Austropotamobius pallipes

Evolutionary Relationship

Alder Spittlebug and Atlantic Stream Crayfish share a common ancestor at the Phylum level: Arthropoda. (Arthropods)

View Phylum: Arthropoda

Conservation Status

Alder Spittlebug

LC — Least Concern

Atlantic Stream Crayfish

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Atlantic Stream Crayfish
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alder Spittlebug

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Atlantic Stream Crayfish

Habitat

Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.

Range

Distributed across Ireland and United Kingdom. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Alder Spittlebug

The Alder Spittlebug (Aphrophora alni) is a species in the genus Aphrophora. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Atlantic Stream Crayfish

The Atlantic Stream Crayfish (Austropotamobius pallipes) is a species in the genus Austropotamobius. It is currently classified as Endangered on the IUCN Red List. Inhabits temperate broadleaf and mixed forests and temperate coniferous forests within the Palearctic biogeographic realm.