Alder Spittlebug vs red underwing

Aphrophora alni compared with Catocala nupta

Key Differences

• Alder Spittlebug is Least Concern while red underwing is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	red underwing
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	Erebidae
Genus	Aphrophora	Catocala
Species	Aphrophora alni	Catocala nupta

Evolutionary Relationship

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

Conservation Status

Alder Spittlebug

LC — Least Concern

red underwing

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	red underwing
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).

red underwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, Sweden, and Taiwan. 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.

Shared Countries

Both species can be found in 4 countries:

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