Alder Spittlebug vs Red-flanked Bluetail

Aphrophora alni compared with Tarsiger cyanurus

Key Differences

• Alder Spittlebug is Least Concern while Red-flanked Bluetail is Endangered.

Taxonomic Classification

Rank	Alder Spittlebug	Red-flanked Bluetail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Hemiptera (Hemiptera)	Passeriformes (Songbirds)
Family	Aphrophoridae	Muscicapidae
Genus	Aphrophora	Tarsiger
Species	Aphrophora alni	Tarsiger cyanurus

Evolutionary Relationship

Alder Spittlebug and Red-flanked Bluetail share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Alder Spittlebug

LC — Least Concern

Red-flanked Bluetail

EN — Endangered

Physical Characteristics

Attribute	Alder Spittlebug	Red-flanked Bluetail
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-flanked Bluetail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (8 countries). 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.

Red-flanked Bluetail

Red-flanked Bluetail (Tarsiger cyanurus) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.

Shared Countries

Both species can be found in 4 countries:

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