Alder Spittlebug vs Small Eggar

Aphrophora alni compared with Eriogaster lanestris

Key Differences

• Alder Spittlebug is Least Concern while Small Eggar is Vulnerable.

Taxonomic Classification

Rank	Alder Spittlebug	Small Eggar
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Arthropoda (Arthropods)	Arthropoda (Arthropods)
Class same	Insecta (Insects)	Insecta (Insects)
Order	Hemiptera (Hemiptera)	Lepidoptera (Butterflies & Moths)
Family	Aphrophoridae	Lasiocampidae
Genus	Aphrophora	Eriogaster
Species	Aphrophora alni	Eriogaster lanestris

Evolutionary Relationship

Alder Spittlebug and Small Eggar share a common ancestor at the Class level: Insecta. (Insects)

Conservation Status

Alder Spittlebug

LC — Least Concern

Small Eggar

VU — Vulnerable

Physical Characteristics

Attribute	Alder Spittlebug	Small Eggar
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).

Small Eggar

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden