Erlenschaumzikade vs Bent Ring Lichen

Aphrophora alni compared with Arctoparmelia incurva

Key Differences

• Erlenschaumzikade is Least Concern while Bent Ring Lichen is Critically Endangered.

Taxonomic Classification

Rank	Erlenschaumzikade	Bent Ring Lichen
Kingdom	Animalia (Tier)	Fungi (Pilze)
Phylum	Arthropoda (Gliederfüßer)	Ascomycota (Schlauchpilze)
Class	Insecta (Insekten)	Lecanoromycetes (Lecanoromycetes)
Order	Hemiptera (Schnabelkerfe)	Lecanorales (Lecanorales)
Family	Aphrophoridae	Parmeliaceae
Genus	Aphrophora	Arctoparmelia
Species	Aphrophora alni	Arctoparmelia incurva

Conservation Status

Erlenschaumzikade

LC — Least Concern

Bent Ring Lichen

CR — Critically Endangered

Physical Characteristics

Attribute	Erlenschaumzikade	Bent Ring Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Erlenschaumzikade

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States).

Bent Ring Lichen

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Erlenschaumzikade

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.

Bent Ring Lichen

The Bent Ring Lichen (Arctoparmelia incurva) is a species in the genus Arctoparmelia. It is currently classified as Critically Endangered on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Shared Countries

Both species can be found in 4 countries:

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