Alder Spittlebug vs Rusty Crayfish

Aphrophora alni compared with Faxonius rusticus

Key Differences

• Alder Spittlebug is Least Concern while Rusty Crayfish is Not Evaluated.

Taxonomic Classification

Rank	Alder Spittlebug	Rusty 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	Cambaridae
Genus	Aphrophora	Faxonius
Species	Aphrophora alni	Faxonius rusticus

Evolutionary Relationship

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

Conservation Status

Alder Spittlebug

LC — Least Concern

Rusty Crayfish

NE — Not Evaluated

Physical Characteristics

Attribute	Alder Spittlebug	Rusty 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).

Rusty Crayfish

Habitat

Typically found in marine, freshwater, and terrestrial environments.

Range

Distributed across Denmark, Norway, Sweden, and United States.

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.

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States