Alder Spittlebug vs Flat Crep

Aphrophora alni compared with Crepidotus applanatus

Key Differences

• Alder Spittlebug is Least Concern while Flat Crep is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Flat Crep
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Hemiptera (Hemiptera)	Agaricales (Gilled Mushrooms)
Family	Aphrophoridae	Crepidotaceae
Genus	Aphrophora	Crepidotus
Species	Aphrophora alni	Crepidotus applanatus

Conservation Status

Alder Spittlebug

LC — Least Concern

Flat Crep

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Flat Crep
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).

Flat Crep

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Brazil). Currently classified as Vulnerable 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.

Shared Countries

Both species can be found in 5 countries:

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